28305356445

素因数分解:

$3^4\times 5^1\times {\mathrm{69889769}}^1$

素因数の和:69889786

約数の個数: 20

約数和(自身を含む): 50739973020

約数和(自身を除く): 22434616575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69889769, 209669307, 349448845, 629007921, 1048346535, 1887023763, 3145039605, 5661071289, 9435118815, 28305356445]

約数ペア:

[(1, 28305356445), (3, 9435118815), (5, 5661071289), (9, 3145039605), (15, 1887023763), (27, 1048346535), (45, 629007921), (81, 349448845), (135, 209669307), (405, 69889769)]