1328445

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 2350296

約数和(自身を除く): 1021851

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 557, 795, 1671, 2385, 2785, 5013, 8355, 25065, 29521, 88563, 147605, 265689, 442815, 1328445]

約数ペア:

[(1, 1328445), (3, 442815), (5, 265689), (9, 147605), (15, 88563), (45, 29521), (53, 25065), (159, 8355), (265, 5013), (477, 2785), (557, 2385), (795, 1671)]