78251925

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{2551}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 129743680

約数和(自身を除く): 51491755

約数列:

[1, 3, 5, 15, 25, 75, 409, 1227, 2045, 2551, 6135, 7653, 10225, 12755, 30675, 38265, 63775, 191325, 1043359, 3130077, 5216795, 15650385, 26083975, 78251925]

約数ペア:

[(1, 78251925), (3, 26083975), (5, 15650385), (15, 5216795), (25, 3130077), (75, 1043359), (409, 191325), (1227, 63775), (2045, 38265), (2551, 30675), (6135, 12755), (7653, 10225)]