30902905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 41401152

約数和(自身を除く): 10498247

約数列:

[1, 5, 11, 55, 61, 151, 305, 671, 755, 1661, 3355, 3721, 8305, 9211, 18605, 40931, 46055, 101321, 204655, 506605, 561871, 2809355, 6180581, 30902905]

約数ペア:

[(1, 30902905), (5, 6180581), (11, 2809355), (55, 561871), (61, 506605), (151, 204655), (305, 101321), (671, 46055), (755, 40931), (1661, 18605), (3355, 9211), (3721, 8305)]