77621571

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{3023}}^1$

素因数の和:3352

約数の個数: 20

約数和(自身を含む): 116357472

約数和(自身を除く): 38735901

約数列:

[1, 3, 9, 27, 81, 317, 951, 2853, 3023, 8559, 9069, 25677, 27207, 81621, 244863, 958291, 2874873, 8624619, 25873857, 77621571]

約数ペア:

[(1, 77621571), (3, 25873857), (9, 8624619), (27, 2874873), (81, 958291), (317, 244863), (951, 81621), (2853, 27207), (3023, 25677), (8559, 9069)]