720306

素因数分解:

$2^1\times 3^3\times {\mathrm{13339}}^1$

素因数の和:13350

約数の個数: 16

約数和(自身を含む): 1600800

約数和(自身を除く): 880494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 13339, 26678, 40017, 80034, 120051, 240102, 360153, 720306]

約数ペア:

[(1, 720306), (2, 360153), (3, 240102), (6, 120051), (9, 80034), (18, 40017), (27, 26678), (54, 13339)]