64756431

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 98017920

約数和(自身を除く): 33261489

約数列:

[1, 3, 9, 23, 69, 207, 307, 921, 1019, 2763, 3057, 7061, 9171, 21183, 23437, 63549, 70311, 210933, 312833, 938499, 2815497, 7195159, 21585477, 64756431]

約数ペア:

[(1, 64756431), (3, 21585477), (9, 7195159), (23, 2815497), (69, 938499), (207, 312833), (307, 210933), (921, 70311), (1019, 63549), (2763, 23437), (3057, 21183), (7061, 9171)]