1640886921

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{283}}^1\times {\mathrm{3373}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 2391707136

約数和(自身を除く): 750820215

約数列:

[1, 3, 9, 191, 283, 573, 849, 1719, 2547, 3373, 10119, 30357, 54053, 162159, 486477, 644243, 954559, 1932729, 2863677, 5798187, 8591031, 182320769, 546962307, 1640886921]

約数ペア:

[(1, 1640886921), (3, 546962307), (9, 182320769), (191, 8591031), (283, 5798187), (573, 2863677), (849, 1932729), (1719, 954559), (2547, 644243), (3373, 486477), (10119, 162159), (30357, 54053)]