16271685

素因数分解:

$3^4\times 5^1\times {\mathrm{40177}}^1$

素因数の和:40194

約数の個数: 20

約数和(自身を含む): 29169228

約数和(自身を除く): 12897543

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 40177, 120531, 200885, 361593, 602655, 1084779, 1807965, 3254337, 5423895, 16271685]

約数ペア:

[(1, 16271685), (3, 5423895), (5, 3254337), (9, 1807965), (15, 1084779), (27, 602655), (45, 361593), (81, 200885), (135, 120531), (405, 40177)]