1680885

素因数分解:

$3^3\times 5^1\times {\mathrm{12451}}^1$

素因数の和:12465

約数の個数: 16

約数和(自身を含む): 2988480

約数和(自身を除く): 1307595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 12451, 37353, 62255, 112059, 186765, 336177, 560295, 1680885]

約数ペア:

[(1, 1680885), (3, 560295), (5, 336177), (9, 186765), (15, 112059), (27, 62255), (45, 37353), (135, 12451)]