221077137

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{3511}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 298941440

約数和(自身を除く): 77864303

約数列:

[1, 3, 139, 151, 417, 453, 3511, 10533, 20989, 62967, 488029, 530161, 1464087, 1590483, 73692379, 221077137]

約数ペア:

[(1, 221077137), (3, 73692379), (139, 1590483), (151, 1464087), (417, 530161), (453, 488029), (3511, 62967), (10533, 20989)]