13977765

素因数分解:

$3^4\times 5^1\times {\mathrm{34513}}^1$

素因数の和:34530

約数の個数: 20

約数和(自身を含む): 25057164

約数和(自身を除く): 11079399

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34513, 103539, 172565, 310617, 517695, 931851, 1553085, 2795553, 4659255, 13977765]

約数ペア:

[(1, 13977765), (3, 4659255), (5, 2795553), (9, 1553085), (15, 931851), (27, 517695), (45, 310617), (81, 172565), (135, 103539), (405, 34513)]