68879985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{887}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 114573312

約数和(自身を除く): 45693327

約数列:

[1, 3, 5, 15, 31, 93, 155, 167, 465, 501, 835, 887, 2505, 2661, 4435, 5177, 13305, 15531, 25885, 27497, 77655, 82491, 137485, 148129, 412455, 444387, 740645, 2221935, 4591999, 13775997, 22959995, 68879985]

約数ペア:

[(1, 68879985), (3, 22959995), (5, 13775997), (15, 4591999), (31, 2221935), (93, 740645), (155, 444387), (167, 412455), (465, 148129), (501, 137485), (835, 82491), (887, 77655), (2505, 27497), (2661, 25885), (4435, 15531), (5177, 13305)]