11717865

素因数分解:

$3^4\times 5^1\times {\mathrm{28933}}^1$

素因数の和:28950

約数の個数: 20

約数和(自身を含む): 21006084

約数和(自身を除く): 9288219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28933, 86799, 144665, 260397, 433995, 781191, 1301985, 2343573, 3905955, 11717865]

約数ペア:

[(1, 11717865), (3, 3905955), (5, 2343573), (9, 1301985), (15, 781191), (27, 433995), (45, 260397), (81, 144665), (135, 86799), (405, 28933)]