257073777

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{827}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 395452800

約数和(自身を除く): 138379023

約数列:

[1, 3, 9, 27, 29, 87, 261, 397, 783, 827, 1191, 2481, 3573, 7443, 10719, 11513, 22329, 23983, 34539, 71949, 103617, 215847, 310851, 328319, 647541, 984957, 2954871, 8864613, 9521251, 28563753, 85691259, 257073777]

約数ペア:

[(1, 257073777), (3, 85691259), (9, 28563753), (27, 9521251), (29, 8864613), (87, 2954871), (261, 984957), (397, 647541), (783, 328319), (827, 310851), (1191, 215847), (2481, 103617), (3573, 71949), (7443, 34539), (10719, 23983), (11513, 22329)]