65681985

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13229}}^1$

素因数の和:13568

約数の個数: 16

約数和(自身を含む): 105416640

約数和(自身を除く): 39734655

約数列:

[1, 3, 5, 15, 331, 993, 1655, 4965, 13229, 39687, 66145, 198435, 4378799, 13136397, 21893995, 65681985]

約数ペア:

[(1, 65681985), (3, 21893995), (5, 13136397), (15, 4378799), (331, 198435), (993, 66145), (1655, 39687), (4965, 13229)]