245899995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{78437}}^1$

素因数の和:78475

約数の個数: 32

約数和(自身を含む): 451802880

約数和(自身を除く): 205902885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 78437, 235311, 392185, 862807, 1176555, 1490303, 2588421, 4314035, 4470909, 7451515, 12942105, 16393333, 22354545, 49179999, 81966665, 245899995]

約数ペア:

[(1, 245899995), (3, 81966665), (5, 49179999), (11, 22354545), (15, 16393333), (19, 12942105), (33, 7451515), (55, 4470909), (57, 4314035), (95, 2588421), (165, 1490303), (209, 1176555), (285, 862807), (627, 392185), (1045, 235311), (3135, 78437)]