128214915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2677}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 213897216

約数和(自身を除く): 85682301

約数列:

[1, 3, 5, 15, 31, 93, 103, 155, 309, 465, 515, 1545, 2677, 3193, 8031, 9579, 13385, 15965, 40155, 47895, 82987, 248961, 275731, 414935, 827193, 1244805, 1378655, 4135965, 8547661, 25642983, 42738305, 128214915]

約数ペア:

[(1, 128214915), (3, 42738305), (5, 25642983), (15, 8547661), (31, 4135965), (93, 1378655), (103, 1244805), (155, 827193), (309, 414935), (465, 275731), (515, 248961), (1545, 82987), (2677, 47895), (3193, 40155), (8031, 15965), (9579, 13385)]