1990846557

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1858867}}^1$

素因数の和:1858897

約数の個数: 24

約数和(自身を含む): 3479800896

約数和(自身を除く): 1488954339

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1858867, 5576601, 13012069, 16729803, 31600739, 39036207, 94802217, 117108621, 221205173, 284406651, 663615519, 1990846557]

約数ペア:

[(1, 1990846557), (3, 663615519), (7, 284406651), (9, 221205173), (17, 117108621), (21, 94802217), (51, 39036207), (63, 31600739), (119, 16729803), (153, 13012069), (357, 5576601), (1071, 1858867)]