156728079

素因数分解:

$3^2\times {\mathrm{821}}^1\times {\mathrm{21211}}^1$

素因数の和:22038

約数の個数: 12

約数和(自身を含む): 226671432

約数和(自身を除く): 69943353

約数列:

[1, 3, 9, 821, 2463, 7389, 21211, 63633, 190899, 17414231, 52242693, 156728079]

約数ペア:

[(1, 156728079), (3, 52242693), (9, 17414231), (821, 190899), (2463, 63633), (7389, 21211)]