9091908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 26586560

約数和(自身を除く): 17494652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 331, 436, 654, 662, 763, 981, 993, 1308, 1324, 1526, 1962, 1986, 2289, 2317, 2979, 3052, 3924, 3972, 4578, 4634, 5958, 6867, 6951, 9156, 9268, 11916, 13734, 13902, 20853, 27468, 27804, 36079, 41706, 72158, 83412, 108237, 144316, 216474, 252553, 324711, 432948, 505106, 649422, 757659, 1010212, 1298844, 1515318, 2272977, 3030636, 4545954, 9091908]

約数ペア:

[(1, 9091908), (2, 4545954), (3, 3030636), (4, 2272977), (6, 1515318), (7, 1298844), (9, 1010212), (12, 757659), (14, 649422), (18, 505106), (21, 432948), (28, 324711), (36, 252553), (42, 216474), (63, 144316), (84, 108237), (109, 83412), (126, 72158), (218, 41706), (252, 36079), (327, 27804), (331, 27468), (436, 20853), (654, 13902), (662, 13734), (763, 11916), (981, 9268), (993, 9156), (1308, 6951), (1324, 6867), (1526, 5958), (1962, 4634), (1986, 4578), (2289, 3972), (2317, 3924), (2979, 3052)]