81030222

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 227066112

約数和(自身を除く): 146035890

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 37, 39, 42, 49, 63, 74, 78, 91, 98, 111, 117, 126, 147, 182, 191, 222, 234, 259, 273, 294, 333, 382, 441, 481, 518, 546, 573, 637, 666, 777, 819, 882, 962, 1146, 1274, 1337, 1443, 1554, 1638, 1719, 1813, 1911, 2331, 2483, 2674, 2886, 3367, 3438, 3626, 3822, 4011, 4329, 4662, 4966, 5439, 5733, 6734, 7067, 7449, 8022, 8658, 9359, 10101, 10878, 11466, 12033, 14134, 14898, 16317, 17381, 18718, 20202, 21201, 22347, 23569, 24066, 28077, 30303, 32634, 34762, 42402, 44694, 47138, 49469, 52143, 56154, 60606, 63603, 70707, 84231, 91871, 98938, 104286, 121667, 127206, 141414, 148407, 156429, 168462, 183742, 212121, 243334, 275613, 296814, 312858, 346283, 365001, 424242, 445221, 551226, 643097, 692566, 730002, 826839, 890442, 1038849, 1095003, 1286194, 1653678, 1929291, 2077698, 2190006, 3116547, 3858582, 4501679, 5787873, 6233094, 9003358, 11575746, 13505037, 27010074, 40515111, 81030222]

約数ペア:

[(1, 81030222), (2, 40515111), (3, 27010074), (6, 13505037), (7, 11575746), (9, 9003358), (13, 6233094), (14, 5787873), (18, 4501679), (21, 3858582), (26, 3116547), (37, 2190006), (39, 2077698), (42, 1929291), (49, 1653678), (63, 1286194), (74, 1095003), (78, 1038849), (91, 890442), (98, 826839), (111, 730002), (117, 692566), (126, 643097), (147, 551226), (182, 445221), (191, 424242), (222, 365001), (234, 346283), (259, 312858), (273, 296814), (294, 275613), (333, 243334), (382, 212121), (441, 183742), (481, 168462), (518, 156429), (546, 148407), (573, 141414), (637, 127206), (666, 121667), (777, 104286), (819, 98938), (882, 91871), (962, 84231), (1146, 70707), (1274, 63603), (1337, 60606), (1443, 56154), (1554, 52143), (1638, 49469), (1719, 47138), (1813, 44694), (1911, 42402), (2331, 34762), (2483, 32634), (2674, 30303), (2886, 28077), (3367, 24066), (3438, 23569), (3626, 22347), (3822, 21201), (4011, 20202), (4329, 18718), (4662, 17381), (4966, 16317), (5439, 14898), (5733, 14134), (6734, 12033), (7067, 11466), (7449, 10878), (8022, 10101), (8658, 9359)]