30987219

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2699}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 11780781

約数列:

[1, 3, 43, 89, 129, 267, 2699, 3827, 8097, 11481, 116057, 240211, 348171, 720633, 10329073, 30987219]

約数ペア:

[(1, 30987219), (3, 10329073), (43, 720633), (89, 348171), (129, 240211), (267, 116057), (2699, 11481), (3827, 8097)]