68987775

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{19571}}^1$

素因数の和:19631

約数の個数: 24

約数和(自身を含む): 116492544

約数和(自身を除く): 47504769

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 19571, 58713, 97855, 293565, 489275, 919837, 1467825, 2759511, 4599185, 13797555, 22995925, 68987775]

約数ペア:

[(1, 68987775), (3, 22995925), (5, 13797555), (15, 4599185), (25, 2759511), (47, 1467825), (75, 919837), (141, 489275), (235, 293565), (705, 97855), (1175, 58713), (3525, 19571)]