7921251

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 12492480

約数和(自身を除く): 4571229

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 857, 1027, 2571, 3081, 7713, 9243, 11141, 33423, 67703, 100269, 203109, 609327, 880139, 2640417, 7921251]

約数ペア:

[(1, 7921251), (3, 2640417), (9, 880139), (13, 609327), (39, 203109), (79, 100269), (117, 67703), (237, 33423), (711, 11141), (857, 9243), (1027, 7713), (2571, 3081)]