421875375

素因数分解:

$3^1\times 5^3\times {\mathrm{1125001}}^1$

素因数の和:1125019

約数の個数: 16

約数和(自身を含む): 702001248

約数和(自身を除く): 280125873

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1125001, 3375003, 5625005, 16875015, 28125025, 84375075, 140625125, 421875375]

約数ペア:

[(1, 421875375), (3, 140625125), (5, 84375075), (15, 28125025), (25, 16875015), (75, 5625005), (125, 3375003), (375, 1125001)]