81043263

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{7703}}^1$

素因数の和:7883

約数の個数: 24

約数和(自身を含む): 134604288

約数和(自身を除く): 53561025

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 7703, 10521, 23109, 53921, 69327, 161763, 485289, 1286401, 3859203, 9004807, 11577609, 27014421, 81043263]

約数ペア:

[(1, 81043263), (3, 27014421), (7, 11577609), (9, 9004807), (21, 3859203), (63, 1286401), (167, 485289), (501, 161763), (1169, 69327), (1503, 53921), (3507, 23109), (7703, 10521)]