2163165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 3684000

約数和(自身を除く): 1520835

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 499, 867, 1445, 1497, 2495, 4335, 7485, 8483, 25449, 42415, 127245, 144211, 432633, 721055, 2163165]

約数ペア:

[(1, 2163165), (3, 721055), (5, 432633), (15, 144211), (17, 127245), (51, 42415), (85, 25449), (255, 8483), (289, 7485), (499, 4335), (867, 2495), (1445, 1497)]