25205271

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5431}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 43803648

約数和(自身を除く): 18598377

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 5431, 16293, 38017, 70603, 92327, 114051, 211809, 276981, 494221, 646289, 1200251, 1482663, 1938867, 3600753, 8401757, 25205271]

約数ペア:

[(1, 25205271), (3, 8401757), (7, 3600753), (13, 1938867), (17, 1482663), (21, 1200251), (39, 646289), (51, 494221), (91, 276981), (119, 211809), (221, 114051), (273, 92327), (357, 70603), (663, 38017), (1547, 16293), (4641, 5431)]