42426405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 87070464

約数和(自身を除く): 44644059

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 213, 245, 271, 315, 355, 441, 497, 639, 735, 813, 1065, 1355, 1491, 1897, 2205, 2439, 2485, 3195, 3479, 4065, 4473, 5691, 7455, 9485, 10437, 12195, 13279, 17073, 17395, 19241, 22365, 28455, 31311, 39837, 52185, 57723, 66395, 85365, 96205, 119511, 134687, 156555, 173169, 199185, 288615, 404061, 597555, 673435, 865845, 942809, 1212183, 2020305, 2828427, 4714045, 6060915, 8485281, 14142135, 42426405]

約数ペア:

[(1, 42426405), (3, 14142135), (5, 8485281), (7, 6060915), (9, 4714045), (15, 2828427), (21, 2020305), (35, 1212183), (45, 942809), (49, 865845), (63, 673435), (71, 597555), (105, 404061), (147, 288615), (213, 199185), (245, 173169), (271, 156555), (315, 134687), (355, 119511), (441, 96205), (497, 85365), (639, 66395), (735, 57723), (813, 52185), (1065, 39837), (1355, 31311), (1491, 28455), (1897, 22365), (2205, 19241), (2439, 17395), (2485, 17073), (3195, 13279), (3479, 12195), (4065, 10437), (4473, 9485), (5691, 7455)]