78790125

素因数分解:

$3^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 132013440

約数和(自身を除く): 53223315

約数列:

[1, 3, 5, 15, 25, 75, 125, 163, 375, 489, 815, 1289, 2445, 3867, 4075, 6445, 12225, 19335, 20375, 32225, 61125, 96675, 161125, 210107, 483375, 630321, 1050535, 3151605, 5252675, 15758025, 26263375, 78790125]

約数ペア:

[(1, 78790125), (3, 26263375), (5, 15758025), (15, 5252675), (25, 3151605), (75, 1050535), (125, 630321), (163, 483375), (375, 210107), (489, 161125), (815, 96675), (1289, 61125), (2445, 32225), (3867, 20375), (4075, 19335), (6445, 12225)]