56821779

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{15287}}^1$

素因数の和:15359

約数の個数: 24

約数和(自身を含む): 95397120

約数和(自身を除く): 38575341

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 15287, 45861, 107009, 137583, 321027, 901933, 963081, 2705799, 6313531, 8117397, 18940593, 56821779]

約数ペア:

[(1, 56821779), (3, 18940593), (7, 8117397), (9, 6313531), (21, 2705799), (59, 963081), (63, 901933), (177, 321027), (413, 137583), (531, 107009), (1239, 45861), (3717, 15287)]