648707007

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{857}}^1\times {\mathrm{1493}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 938315664

約数和(自身を除く): 289608657

約数列:

[1, 3, 13, 39, 169, 507, 857, 1493, 2571, 4479, 11141, 19409, 33423, 58227, 144833, 252317, 434499, 756951, 1279501, 3838503, 16633513, 49900539, 216235669, 648707007]

約数ペア:

[(1, 648707007), (3, 216235669), (13, 49900539), (39, 16633513), (169, 3838503), (507, 1279501), (857, 756951), (1493, 434499), (2571, 252317), (4479, 144833), (11141, 58227), (19409, 33423)]