77480991

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7109}}^1$

素因数の和:7295

約数の個数: 24

約数和(自身を含む): 128662560

約数和(自身を除く): 51181569

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 7109, 10899, 21327, 49763, 63981, 149289, 447867, 1229857, 3689571, 8608999, 11068713, 25826997, 77480991]

約数ペア:

[(1, 77480991), (3, 25826997), (7, 11068713), (9, 8608999), (21, 3689571), (63, 1229857), (173, 447867), (519, 149289), (1211, 63981), (1557, 49763), (3633, 21327), (7109, 10899)]