28706181

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{12097}}^1$

素因数の和:12220

約数の個数: 16

約数和(自身を含む): 44133504

約数和(自身を除く): 15427323

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 12097, 36291, 84679, 254037, 1366961, 4100883, 9568727, 28706181]

約数ペア:

[(1, 28706181), (3, 9568727), (7, 4100883), (21, 1366961), (113, 254037), (339, 84679), (791, 36291), (2373, 12097)]