221528109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{17257}}^1$

素因数の和:17660

約数の個数: 16

約数和(自身を含む): 323069760

約数和(自身を除く): 101541651

約数列:

[1, 3, 11, 33, 389, 1167, 4279, 12837, 17257, 51771, 189827, 569481, 6712973, 20138919, 73842703, 221528109]

約数ペア:

[(1, 221528109), (3, 73842703), (11, 20138919), (33, 6712973), (389, 569481), (1167, 189827), (4279, 51771), (12837, 17257)]