147130879

素因数分解:

$7^4\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:524

約数の個数: 20

約数和(自身を含む): 173034576

約数和(自身を除く): 25903697

約数列:

[1, 7, 49, 233, 263, 343, 1631, 1841, 2401, 11417, 12887, 61279, 79919, 90209, 428953, 559433, 631463, 3002671, 21018697, 147130879]

約数ペア:

[(1, 147130879), (7, 21018697), (49, 3002671), (233, 631463), (263, 559433), (343, 428953), (1631, 90209), (1841, 79919), (2401, 61279), (11417, 12887)]