15985215

素因数分解:

$3^3\times 5^1\times {\mathrm{118409}}^1$

素因数の和:118423

約数の個数: 16

約数和(自身を含む): 28418400

約数和(自身を除く): 12433185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 118409, 355227, 592045, 1065681, 1776135, 3197043, 5328405, 15985215]

約数ペア:

[(1, 15985215), (3, 5328405), (5, 3197043), (9, 1776135), (15, 1065681), (27, 592045), (45, 355227), (135, 118409)]