1990875

素因数分解:

$3^1\times 5^3\times {\mathrm{5309}}^1$

素因数の和:5327

約数の個数: 16

約数和(自身を含む): 3313440

約数和(自身を除く): 1322565

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 5309, 15927, 26545, 79635, 132725, 398175, 663625, 1990875]

約数ペア:

[(1, 1990875), (3, 663625), (5, 398175), (15, 132725), (25, 79635), (75, 26545), (125, 15927), (375, 5309)]