64961025

素因数分解:

$3^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{1973}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 107701440

約数和(自身を除く): 42740415

約数列:

[1, 3, 5, 15, 25, 75, 439, 1317, 1973, 2195, 5919, 6585, 9865, 10975, 29595, 32925, 49325, 147975, 866147, 2598441, 4330735, 12992205, 21653675, 64961025]

約数ペア:

[(1, 64961025), (3, 21653675), (5, 12992205), (15, 4330735), (25, 2598441), (75, 866147), (439, 147975), (1317, 49325), (1973, 32925), (2195, 29595), (5919, 10975), (6585, 9865)]