207949275

素因数分解:

$3^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 60

約数和(自身を含む): 389323792

約数和(自身を除く): 181374517

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 135, 225, 309, 405, 515, 675, 927, 997, 1545, 2025, 2575, 2781, 2991, 4635, 4985, 7725, 8343, 8973, 13905, 14955, 23175, 24925, 26919, 41715, 44865, 69525, 74775, 80757, 102691, 134595, 208575, 224325, 308073, 403785, 513455, 672975, 924219, 1540365, 2018925, 2567275, 2772657, 4621095, 7701825, 8317971, 13863285, 23105475, 41589855, 69316425, 207949275]

約数ペア:

[(1, 207949275), (3, 69316425), (5, 41589855), (9, 23105475), (15, 13863285), (25, 8317971), (27, 7701825), (45, 4621095), (75, 2772657), (81, 2567275), (103, 2018925), (135, 1540365), (225, 924219), (309, 672975), (405, 513455), (515, 403785), (675, 308073), (927, 224325), (997, 208575), (1545, 134595), (2025, 102691), (2575, 80757), (2781, 74775), (2991, 69525), (4635, 44865), (4985, 41715), (7725, 26919), (8343, 24925), (8973, 23175), (13905, 14955)]