1520290005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{18089}}^1$

素因数の和:18541

約数の個数: 32

約数和(自身を含む): 2625799680

約数和(自身を除く): 1105509675

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 431, 1293, 2155, 5603, 6465, 16809, 18089, 28015, 54267, 84045, 90445, 235157, 271335, 705471, 1175785, 3527355, 7796359, 23389077, 38981795, 101352667, 116945385, 304058001, 506763335, 1520290005]

約数ペア:

[(1, 1520290005), (3, 506763335), (5, 304058001), (13, 116945385), (15, 101352667), (39, 38981795), (65, 23389077), (195, 7796359), (431, 3527355), (1293, 1175785), (2155, 705471), (5603, 271335), (6465, 235157), (16809, 90445), (18089, 84045), (28015, 54267)]