40872591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 62400000

約数和(自身を除く): 21527409

約数列:

[1, 3, 9, 19, 57, 171, 479, 499, 1437, 1497, 4311, 4491, 9101, 9481, 27303, 28443, 81909, 85329, 239021, 717063, 2151189, 4541399, 13624197, 40872591]

約数ペア:

[(1, 40872591), (3, 13624197), (9, 4541399), (19, 2151189), (57, 717063), (171, 239021), (479, 85329), (499, 81909), (1437, 28443), (1497, 27303), (4311, 9481), (4491, 9101)]