7970121

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 12143040

約数和(自身を除く): 4172919

約数列:

[1, 3, 9, 23, 69, 139, 207, 277, 417, 831, 1251, 2493, 3197, 6371, 9591, 19113, 28773, 38503, 57339, 115509, 346527, 885569, 2656707, 7970121]

約数ペア:

[(1, 7970121), (3, 2656707), (9, 885569), (23, 346527), (69, 115509), (139, 57339), (207, 38503), (277, 28773), (417, 19113), (831, 9591), (1251, 6371), (2493, 3197)]