81919026

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 225815040

約数和(自身を除く): 143896014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 47, 53, 54, 58, 63, 81, 87, 94, 106, 126, 141, 159, 162, 174, 189, 203, 261, 282, 318, 329, 371, 378, 406, 423, 477, 522, 567, 609, 658, 742, 783, 846, 954, 987, 1113, 1134, 1218, 1269, 1363, 1431, 1537, 1566, 1827, 1974, 2226, 2349, 2491, 2538, 2726, 2862, 2961, 3074, 3339, 3654, 3807, 4089, 4293, 4611, 4698, 4982, 5481, 5922, 6678, 7473, 7614, 8178, 8586, 8883, 9222, 9541, 10017, 10759, 10962, 12267, 13833, 14946, 16443, 17437, 17766, 19082, 20034, 21518, 22419, 24534, 26649, 27666, 28623, 30051, 32277, 32886, 34874, 36801, 41499, 44838, 52311, 53298, 57246, 60102, 64554, 67257, 72239, 73602, 82998, 85869, 96831, 104622, 110403, 124497, 134514, 144478, 156933, 171738, 193662, 201771, 216717, 220806, 248994, 257607, 290493, 313866, 403542, 433434, 470799, 505673, 515214, 580986, 650151, 772821, 871479, 941598, 1011346, 1300302, 1412397, 1517019, 1545642, 1742958, 1950453, 2824794, 3034038, 3900906, 4551057, 5851359, 9102114, 11702718, 13653171, 27306342, 40959513, 81919026]

約数ペア:

[(1, 81919026), (2, 40959513), (3, 27306342), (6, 13653171), (7, 11702718), (9, 9102114), (14, 5851359), (18, 4551057), (21, 3900906), (27, 3034038), (29, 2824794), (42, 1950453), (47, 1742958), (53, 1545642), (54, 1517019), (58, 1412397), (63, 1300302), (81, 1011346), (87, 941598), (94, 871479), (106, 772821), (126, 650151), (141, 580986), (159, 515214), (162, 505673), (174, 470799), (189, 433434), (203, 403542), (261, 313866), (282, 290493), (318, 257607), (329, 248994), (371, 220806), (378, 216717), (406, 201771), (423, 193662), (477, 171738), (522, 156933), (567, 144478), (609, 134514), (658, 124497), (742, 110403), (783, 104622), (846, 96831), (954, 85869), (987, 82998), (1113, 73602), (1134, 72239), (1218, 67257), (1269, 64554), (1363, 60102), (1431, 57246), (1537, 53298), (1566, 52311), (1827, 44838), (1974, 41499), (2226, 36801), (2349, 34874), (2491, 32886), (2538, 32277), (2726, 30051), (2862, 28623), (2961, 27666), (3074, 26649), (3339, 24534), (3654, 22419), (3807, 21518), (4089, 20034), (4293, 19082), (4611, 17766), (4698, 17437), (4982, 16443), (5481, 14946), (5922, 13833), (6678, 12267), (7473, 10962), (7614, 10759), (8178, 10017), (8586, 9541), (8883, 9222)]