90945

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 164736

約数和(自身を除く): 73791

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 1935, 2021, 2115, 6063, 10105, 18189, 30315, 90945]

約数ペア:

[(1, 90945), (3, 30315), (5, 18189), (9, 10105), (15, 6063), (43, 2115), (45, 2021), (47, 1935), (129, 705), (141, 645), (215, 423), (235, 387)]