81764529

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1481}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 136581120

約数和(自身を除く): 54816591

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 239, 717, 1481, 1673, 2629, 4443, 5019, 7887, 10367, 16291, 18403, 31101, 48873, 55209, 114037, 342111, 353959, 1061877, 2477713, 3893549, 7433139, 11680647, 27254843, 81764529]

約数ペア:

[(1, 81764529), (3, 27254843), (7, 11680647), (11, 7433139), (21, 3893549), (33, 2477713), (77, 1061877), (231, 353959), (239, 342111), (717, 114037), (1481, 55209), (1673, 48873), (2629, 31101), (4443, 18403), (5019, 16291), (7887, 10367)]