13880565

素因数分解:

$3^4\times 5^1\times {\mathrm{34273}}^1$

素因数の和:34290

約数の個数: 20

約数和(自身を含む): 24882924

約数和(自身を除く): 11002359

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34273, 102819, 171365, 308457, 514095, 925371, 1542285, 2776113, 4626855, 13880565]

約数ペア:

[(1, 13880565), (3, 4626855), (5, 2776113), (9, 1542285), (15, 925371), (27, 514095), (45, 308457), (81, 171365), (135, 102819), (405, 34273)]