81759834

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 215735040

約数和(自身を除く): 133975206

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 31, 34, 39, 51, 54, 62, 78, 93, 102, 117, 153, 169, 186, 221, 234, 279, 289, 306, 338, 351, 403, 442, 459, 507, 527, 558, 578, 663, 702, 806, 837, 867, 918, 1014, 1054, 1209, 1326, 1521, 1581, 1674, 1734, 1989, 2418, 2601, 2873, 3042, 3162, 3627, 3757, 3978, 4563, 4743, 5202, 5239, 5746, 5967, 6851, 7254, 7514, 7803, 8619, 8959, 9126, 9486, 10478, 10881, 11271, 11934, 13702, 14229, 15606, 15717, 17238, 17918, 20553, 21762, 22542, 25857, 26877, 28458, 31434, 33813, 41106, 47151, 48841, 51714, 53754, 61659, 67626, 77571, 80631, 89063, 94302, 97682, 101439, 116467, 123318, 141453, 146523, 155142, 161262, 178126, 184977, 202878, 232934, 241893, 267189, 282906, 293046, 349401, 369954, 439569, 483786, 534378, 698802, 801567, 879138, 1048203, 1318707, 1514071, 1603134, 2096406, 2404701, 2637414, 3028142, 3144609, 4542213, 4809402, 6289218, 9084426, 13626639, 27253278, 40879917, 81759834]

約数ペア:

[(1, 81759834), (2, 40879917), (3, 27253278), (6, 13626639), (9, 9084426), (13, 6289218), (17, 4809402), (18, 4542213), (26, 3144609), (27, 3028142), (31, 2637414), (34, 2404701), (39, 2096406), (51, 1603134), (54, 1514071), (62, 1318707), (78, 1048203), (93, 879138), (102, 801567), (117, 698802), (153, 534378), (169, 483786), (186, 439569), (221, 369954), (234, 349401), (279, 293046), (289, 282906), (306, 267189), (338, 241893), (351, 232934), (403, 202878), (442, 184977), (459, 178126), (507, 161262), (527, 155142), (558, 146523), (578, 141453), (663, 123318), (702, 116467), (806, 101439), (837, 97682), (867, 94302), (918, 89063), (1014, 80631), (1054, 77571), (1209, 67626), (1326, 61659), (1521, 53754), (1581, 51714), (1674, 48841), (1734, 47151), (1989, 41106), (2418, 33813), (2601, 31434), (2873, 28458), (3042, 26877), (3162, 25857), (3627, 22542), (3757, 21762), (3978, 20553), (4563, 17918), (4743, 17238), (5202, 15717), (5239, 15606), (5746, 14229), (5967, 13702), (6851, 11934), (7254, 11271), (7514, 10881), (7803, 10478), (8619, 9486), (8959, 9126)]