40421325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 82441152

約数和(自身を除く): 42019827

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 647, 735, 833, 1225, 1275, 1785, 1941, 2499, 2975, 3235, 3675, 4165, 4529, 8925, 9705, 10999, 12495, 13587, 16175, 20825, 22645, 31703, 32997, 48525, 54995, 62475, 67935, 76993, 95109, 113225, 158515, 164985, 230979, 274975, 339675, 384965, 475545, 538951, 792575, 824925, 1154895, 1616853, 1924825, 2377725, 2694755, 5774475, 8084265, 13473775, 40421325]

約数ペア:

[(1, 40421325), (3, 13473775), (5, 8084265), (7, 5774475), (15, 2694755), (17, 2377725), (21, 1924825), (25, 1616853), (35, 1154895), (49, 824925), (51, 792575), (75, 538951), (85, 475545), (105, 384965), (119, 339675), (147, 274975), (175, 230979), (245, 164985), (255, 158515), (357, 113225), (425, 95109), (525, 76993), (595, 67935), (647, 62475), (735, 54995), (833, 48525), (1225, 32997), (1275, 31703), (1785, 22645), (1941, 20825), (2499, 16175), (2975, 13587), (3235, 12495), (3675, 10999), (4165, 9705), (4529, 8925)]