71799615

素因数分解:

$3^4\times 5^1\times {\mathrm{177283}}^1$

素因数の和:177300

約数の個数: 20

約数和(自身を含む): 128708184

約数和(自身を除く): 56908569

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 177283, 531849, 886415, 1595547, 2659245, 4786641, 7977735, 14359923, 23933205, 71799615]

約数ペア:

[(1, 71799615), (3, 23933205), (5, 14359923), (9, 7977735), (15, 4786641), (27, 2659245), (45, 1595547), (81, 886415), (135, 531849), (405, 177283)]