138259405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{6367}}^1$

素因数の和:6516

約数の個数: 16

約数和(自身を含む): 171477504

約数和(自身を除く): 33218099

約数列:

[1, 5, 43, 101, 215, 505, 4343, 6367, 21715, 31835, 273781, 643067, 1368905, 3215335, 27651881, 138259405]

約数ペア:

[(1, 138259405), (5, 27651881), (43, 3215335), (101, 1368905), (215, 643067), (505, 273781), (4343, 31835), (6367, 21715)]