15820605

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1471}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 27555840

約数和(自身を除く): 11735235

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 1471, 2151, 3585, 4413, 7355, 10755, 13239, 22065, 66195, 351569, 1054707, 1757845, 3164121, 5273535, 15820605]

約数ペア:

[(1, 15820605), (3, 5273535), (5, 3164121), (9, 1757845), (15, 1054707), (45, 351569), (239, 66195), (717, 22065), (1195, 13239), (1471, 10755), (2151, 7355), (3585, 4413)]