78300225

素因数分解:

$3^2\times 5^2\times {\mathrm{348001}}^1$

素因数の和:348017

約数の個数: 18

約数和(自身を含む): 140244806

約数和(自身を除く): 61944581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 348001, 1044003, 1740005, 3132009, 5220015, 8700025, 15660045, 26100075, 78300225]

約数ペア:

[(1, 78300225), (3, 26100075), (5, 15660045), (9, 8700025), (15, 5220015), (25, 3132009), (45, 1740005), (75, 1044003), (225, 348001)]