19621125

素因数分解:

$3^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 35919936

約数和(自身を除く): 16298811

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 125, 163, 225, 321, 375, 489, 535, 815, 963, 1125, 1467, 1605, 2445, 2675, 4075, 4815, 7335, 8025, 12225, 13375, 17441, 20375, 24075, 36675, 40125, 52323, 61125, 87205, 120375, 156969, 183375, 261615, 436025, 784845, 1308075, 2180125, 3924225, 6540375, 19621125]

約数ペア:

[(1, 19621125), (3, 6540375), (5, 3924225), (9, 2180125), (15, 1308075), (25, 784845), (45, 436025), (75, 261615), (107, 183375), (125, 156969), (163, 120375), (225, 87205), (321, 61125), (375, 52323), (489, 40125), (535, 36675), (815, 24075), (963, 20375), (1125, 17441), (1467, 13375), (1605, 12225), (2445, 8025), (2675, 7335), (4075, 4815)]