12780255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44843}}^1$

素因数の和:44870

約数の個数: 16

約数和(自身を含む): 21525120

約数和(自身を除く): 8744865

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 44843, 134529, 224215, 672645, 852017, 2556051, 4260085, 12780255]

約数ペア:

[(1, 12780255), (3, 4260085), (5, 2556051), (15, 852017), (19, 672645), (57, 224215), (95, 134529), (285, 44843)]