157563

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 270816

約数和(自身を除く): 113253

約数列:

[1, 3, 7, 9, 21, 41, 61, 63, 123, 183, 287, 369, 427, 549, 861, 1281, 2501, 2583, 3843, 7503, 17507, 22509, 52521, 157563]

約数ペア:

[(1, 157563), (3, 52521), (7, 22509), (9, 17507), (21, 7503), (41, 3843), (61, 2583), (63, 2501), (123, 1281), (183, 861), (287, 549), (369, 427)]