220620813

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{47111}}^1$

素因数の和:47344

約数の個数: 16

約数和(自身を含む): 337698816

約数和(自身を除く): 117078003

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 47111, 141333, 329777, 989331, 10505753, 31517259, 73540271, 220620813]

約数ペア:

[(1, 220620813), (3, 73540271), (7, 31517259), (21, 10505753), (223, 989331), (669, 329777), (1561, 141333), (4683, 47111)]