13019625

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 23946624

約数和(自身を除く): 10926999

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 163, 213, 225, 355, 375, 489, 639, 815, 1065, 1125, 1467, 1775, 2445, 3195, 4075, 5325, 7335, 8875, 11573, 12225, 15975, 20375, 26625, 34719, 36675, 57865, 61125, 79875, 104157, 173595, 183375, 289325, 520785, 867975, 1446625, 2603925, 4339875, 13019625]

約数ペア:

[(1, 13019625), (3, 4339875), (5, 2603925), (9, 1446625), (15, 867975), (25, 520785), (45, 289325), (71, 183375), (75, 173595), (125, 104157), (163, 79875), (213, 61125), (225, 57865), (355, 36675), (375, 34719), (489, 26625), (639, 20375), (815, 15975), (1065, 12225), (1125, 11573), (1467, 8875), (1775, 7335), (2445, 5325), (3195, 4075)]