71872353

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 134184960

約数和(自身を除く): 62312607

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 47, 63, 81, 87, 93, 141, 189, 203, 217, 243, 261, 279, 329, 423, 567, 609, 651, 783, 837, 899, 987, 1269, 1363, 1457, 1701, 1827, 1953, 2349, 2511, 2697, 2961, 3807, 4089, 4371, 5481, 5859, 6293, 7047, 7533, 8091, 8883, 9541, 10199, 11421, 12267, 13113, 16443, 17577, 18879, 24273, 26649, 28623, 30597, 36801, 39339, 42253, 49329, 52731, 56637, 72819, 79947, 85869, 91791, 110403, 118017, 126759, 169911, 218457, 257607, 275373, 295771, 331209, 354051, 380277, 509733, 772821, 826119, 887313, 1140831, 1529199, 2318463, 2478357, 2661939, 3422493, 7985817, 10267479, 23957451, 71872353]

約数ペア:

[(1, 71872353), (3, 23957451), (7, 10267479), (9, 7985817), (21, 3422493), (27, 2661939), (29, 2478357), (31, 2318463), (47, 1529199), (63, 1140831), (81, 887313), (87, 826119), (93, 772821), (141, 509733), (189, 380277), (203, 354051), (217, 331209), (243, 295771), (261, 275373), (279, 257607), (329, 218457), (423, 169911), (567, 126759), (609, 118017), (651, 110403), (783, 91791), (837, 85869), (899, 79947), (987, 72819), (1269, 56637), (1363, 52731), (1457, 49329), (1701, 42253), (1827, 39339), (1953, 36801), (2349, 30597), (2511, 28623), (2697, 26649), (2961, 24273), (3807, 18879), (4089, 17577), (4371, 16443), (5481, 13113), (5859, 12267), (6293, 11421), (7047, 10199), (7533, 9541), (8091, 8883)]