209218491

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 315705600

約数和(自身を除く): 106487109

約数列:

[1, 3, 9, 27, 107, 139, 321, 417, 521, 963, 1251, 1563, 2889, 3753, 4689, 14067, 14873, 44619, 55747, 72419, 133857, 167241, 217257, 401571, 501723, 651771, 1505169, 1955313, 7748833, 23246499, 69739497, 209218491]

約数ペア:

[(1, 209218491), (3, 69739497), (9, 23246499), (27, 7748833), (107, 1955313), (139, 1505169), (321, 651771), (417, 501723), (521, 401571), (963, 217257), (1251, 167241), (1563, 133857), (2889, 72419), (3753, 55747), (4689, 44619), (14067, 14873)]