81993991

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 88704000

約数和(自身を除く): 6710009

約数列:

[1, 29, 43, 47, 1247, 1363, 1399, 2021, 40571, 58609, 60157, 65753, 1744553, 1906837, 2827379, 81993991]

約数ペア:

[(1, 81993991), (29, 2827379), (43, 1906837), (47, 1744553), (1247, 65753), (1363, 60157), (1399, 58609), (2021, 40571)]