9840215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 14999040

約数和(自身を除く): 5158825

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 419, 427, 671, 2095, 2135, 2933, 3355, 4609, 4697, 14665, 23045, 23485, 25559, 32263, 127795, 161315, 178913, 281149, 894565, 1405745, 1968043, 9840215]

約数ペア:

[(1, 9840215), (5, 1968043), (7, 1405745), (11, 894565), (35, 281149), (55, 178913), (61, 161315), (77, 127795), (305, 32263), (385, 25559), (419, 23485), (427, 23045), (671, 14665), (2095, 4697), (2135, 4609), (2933, 3355)]