221257875

素因数分解:

$3^1\times 5^3\times {\mathrm{590021}}^1$

素因数の和:590039

約数の個数: 16

約数和(自身を含む): 368173728

約数和(自身を除く): 146915853

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 590021, 1770063, 2950105, 8850315, 14750525, 44251575, 73752625, 221257875]

約数ペア:

[(1, 221257875), (3, 73752625), (5, 44251575), (15, 14750525), (25, 8850315), (75, 2950105), (125, 1770063), (375, 590021)]