1887792723

素因数分解:

$3^4\times {\mathrm{769}}^1\times {\mathrm{30307}}^1$

素因数の和:31088

約数の個数: 20

約数和(自身を含む): 2823796360

約数和(自身を除く): 936003637

約数列:

[1, 3, 9, 27, 81, 769, 2307, 6921, 20763, 30307, 62289, 90921, 272763, 818289, 2454867, 23306083, 69918249, 209754747, 629264241, 1887792723]

約数ペア:

[(1, 1887792723), (3, 629264241), (9, 209754747), (27, 69918249), (81, 23306083), (769, 2454867), (2307, 818289), (6921, 272763), (20763, 90921), (30307, 62289)]