81573531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 126116928

約数和(自身を除く): 44543397

約数列:

[1, 3, 13, 17, 39, 51, 61, 183, 221, 663, 793, 1037, 2017, 2379, 3111, 6051, 13481, 26221, 34289, 40443, 78663, 102867, 123037, 369111, 445757, 1337271, 1599481, 2091629, 4798443, 6274887, 27191177, 81573531]

約数ペア:

[(1, 81573531), (3, 27191177), (13, 6274887), (17, 4798443), (39, 2091629), (51, 1599481), (61, 1337271), (183, 445757), (221, 369111), (663, 123037), (793, 102867), (1037, 78663), (2017, 40443), (2379, 34289), (3111, 26221), (6051, 13481)]