77719581

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1483}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 116357472

約数和(自身を除く): 38637891

約数列:

[1, 3, 9, 27, 81, 647, 1483, 1941, 4449, 5823, 13347, 17469, 40041, 52407, 120123, 959501, 2878503, 8635509, 25906527, 77719581]

約数ペア:

[(1, 77719581), (3, 25906527), (9, 8635509), (27, 2878503), (81, 959501), (647, 120123), (1483, 52407), (1941, 40041), (4449, 17469), (5823, 13347)]