9771905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 14031360

約数和(自身を除く): 4259455

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 173, 395, 715, 865, 869, 1027, 1903, 2249, 4345, 5135, 9515, 11245, 11297, 13667, 24739, 56485, 68335, 123695, 150337, 177671, 751685, 888355, 1954381, 9771905]

約数ペア:

[(1, 9771905), (5, 1954381), (11, 888355), (13, 751685), (55, 177671), (65, 150337), (79, 123695), (143, 68335), (173, 56485), (395, 24739), (715, 13667), (865, 11297), (869, 11245), (1027, 9515), (1903, 5135), (2249, 4345)]