210223485

素因数分解:

$3^3\times 5^1\times {\mathrm{1557211}}^1$

素因数の和:1557225

約数の個数: 16

約数和(自身を含む): 373730880

約数和(自身を除く): 163507395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1557211, 4671633, 7786055, 14014899, 23358165, 42044697, 70074495, 210223485]

約数ペア:

[(1, 210223485), (3, 70074495), (5, 42044697), (9, 23358165), (15, 14014899), (27, 7786055), (45, 4671633), (135, 1557211)]