65880225

素因数分解:

$3^2\times 5^2\times {\mathrm{292801}}^1$

素因数の和:292817

約数の個数: 18

約数和(自身を含む): 117999206

約数和(自身を除く): 52118981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 292801, 878403, 1464005, 2635209, 4392015, 7320025, 13176045, 21960075, 65880225]

約数ペア:

[(1, 65880225), (3, 21960075), (5, 13176045), (9, 7320025), (15, 4392015), (25, 2635209), (45, 1464005), (75, 878403), (225, 292801)]