215603521

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{1973}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 251282304

約数和(自身を除く): 35678783

約数列:

[1, 7, 67, 233, 469, 1631, 1973, 13811, 15611, 109277, 132191, 459709, 925337, 3217963, 30800503, 215603521]

約数ペア:

[(1, 215603521), (7, 30800503), (67, 3217963), (233, 925337), (469, 459709), (1631, 132191), (1973, 109277), (13811, 15611)]