664654887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{71909}}^1$

素因数の和:72007

約数の個数: 24

約数和(自身を含む): 1047009600

約数和(自身を除く): 382354713

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 3081, 9243, 71909, 215727, 647181, 934817, 2804451, 5680811, 8413353, 17042433, 51127299, 73850543, 221551629, 664654887]

約数ペア:

[(1, 664654887), (3, 221551629), (9, 73850543), (13, 51127299), (39, 17042433), (79, 8413353), (117, 5680811), (237, 2804451), (711, 934817), (1027, 647181), (3081, 215727), (9243, 71909)]