2181735

素因数分解:

$3^4\times 5^1\times {\mathrm{5387}}^1$

素因数の和:5404

約数の個数: 20

約数和(自身を含む): 3911688

約数和(自身を除く): 1729953

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5387, 16161, 26935, 48483, 80805, 145449, 242415, 436347, 727245, 2181735]

約数ペア:

[(1, 2181735), (3, 727245), (5, 436347), (9, 242415), (15, 145449), (27, 80805), (45, 48483), (81, 26935), (135, 16161), (405, 5387)]