128968905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3823}}^1$

素因数の和:4017

約数の個数: 32

約数和(自身を含む): 223566336

約数和(自身を除く): 94597431

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 865, 2249, 2595, 3823, 6747, 11245, 11469, 19115, 33735, 49699, 57345, 149097, 248495, 661379, 745485, 1984137, 3306895, 8597927, 9920685, 25793781, 42989635, 128968905]

約数ペア:

[(1, 128968905), (3, 42989635), (5, 25793781), (13, 9920685), (15, 8597927), (39, 3306895), (65, 1984137), (173, 745485), (195, 661379), (519, 248495), (865, 149097), (2249, 57345), (2595, 49699), (3823, 33735), (6747, 19115), (11245, 11469)]