39909891

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 62824960

約数和(自身を除く): 22915069

約数列:

[1, 3, 7, 21, 43, 129, 193, 229, 301, 579, 687, 903, 1351, 1603, 4053, 4809, 8299, 9847, 24897, 29541, 44197, 58093, 68929, 132591, 174279, 206787, 309379, 928137, 1900471, 5701413, 13303297, 39909891]

約数ペア:

[(1, 39909891), (3, 13303297), (7, 5701413), (21, 1900471), (43, 928137), (129, 309379), (193, 206787), (229, 174279), (301, 132591), (579, 68929), (687, 58093), (903, 44197), (1351, 29541), (1603, 24897), (4053, 9847), (4809, 8299)]