123672015

素因数分解:

$3^4\times 5^1\times {\mathrm{305363}}^1$

素因数の和:305380

約数の個数: 20

約数和(自身を含む): 221694264

約数和(自身を除く): 98022249

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 305363, 916089, 1526815, 2748267, 4580445, 8244801, 13741335, 24734403, 41224005, 123672015]

約数ペア:

[(1, 123672015), (3, 41224005), (5, 24734403), (9, 13741335), (15, 8244801), (27, 4580445), (45, 2748267), (81, 1526815), (135, 916089), (405, 305363)]