78076725

素因数分解:

$3^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 129366720

約数和(自身を除く): 51289995

約数列:

[1, 3, 5, 15, 25, 75, 647, 1609, 1941, 3235, 4827, 8045, 9705, 16175, 24135, 40225, 48525, 120675, 1041023, 3123069, 5205115, 15615345, 26025575, 78076725]

約数ペア:

[(1, 78076725), (3, 26025575), (5, 15615345), (15, 5205115), (25, 3123069), (75, 1041023), (647, 120675), (1609, 48525), (1941, 40225), (3235, 24135), (4827, 16175), (8045, 9705)]