16577865

素因数分解:

$3^4\times 5^1\times {\mathrm{40933}}^1$

素因数の和:40950

約数の個数: 20

約数和(自身を含む): 29718084

約数和(自身を除く): 13140219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 40933, 122799, 204665, 368397, 613995, 1105191, 1841985, 3315573, 5525955, 16577865]

約数ペア:

[(1, 16577865), (3, 5525955), (5, 3315573), (9, 1841985), (15, 1105191), (27, 613995), (45, 368397), (81, 204665), (135, 122799), (405, 40933)]