18172755

素因数分解:

$3^5\times 5^1\times {\mathrm{14957}}^1$

素因数の和:14977

約数の個数: 24

約数和(自身を含む): 32668272

約数和(自身を除く): 14495517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 14957, 44871, 74785, 134613, 224355, 403839, 673065, 1211517, 2019195, 3634551, 6057585, 18172755]

約数ペア:

[(1, 18172755), (3, 6057585), (5, 3634551), (9, 2019195), (15, 1211517), (27, 673065), (45, 403839), (81, 224355), (135, 134613), (243, 74785), (405, 44871), (1215, 14957)]