80018715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{108869}}^1$

素因数の和:108891

約数の個数: 24

約数和(自身を含む): 148934160

約数和(自身を除く): 68915445

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 108869, 326607, 544345, 762083, 1633035, 2286249, 3810415, 5334581, 11431245, 16003743, 26672905, 80018715]

約数ペア:

[(1, 80018715), (3, 26672905), (5, 16003743), (7, 11431245), (15, 5334581), (21, 3810415), (35, 2286249), (49, 1633035), (105, 762083), (147, 544345), (245, 326607), (735, 108869)]