30857155

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 12890045

約数列:

[1, 5, 7, 35, 61, 97, 149, 305, 427, 485, 679, 745, 1043, 2135, 3395, 5215, 5917, 9089, 14453, 29585, 41419, 45445, 63623, 72265, 101171, 207095, 318115, 505855, 881633, 4408165, 6171431, 30857155]

約数ペア:

[(1, 30857155), (5, 6171431), (7, 4408165), (35, 881633), (61, 505855), (97, 318115), (149, 207095), (305, 101171), (427, 72265), (485, 63623), (679, 45445), (745, 41419), (1043, 29585), (2135, 14453), (3395, 9089), (5215, 5917)]