1989525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 3374784

約数和(自身を除く): 1385259

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 647, 1025, 1941, 3075, 3235, 9705, 16175, 26527, 48525, 79581, 132635, 397905, 663175, 1989525]

約数ペア:

[(1, 1989525), (3, 663175), (5, 397905), (15, 132635), (25, 79581), (41, 48525), (75, 26527), (123, 16175), (205, 9705), (615, 3235), (647, 3075), (1025, 1941)]