780631263

素因数分解:

$3^4\times {\mathrm{1217}}^1\times {\mathrm{7919}}^1$

素因数の和:9148

約数の個数: 20

約数和(自身を含む): 1167233760

約数和(自身を除く): 386602497

約数列:

[1, 3, 9, 27, 81, 1217, 3651, 7919, 10953, 23757, 32859, 71271, 98577, 213813, 641439, 9637423, 28912269, 86736807, 260210421, 780631263]

約数ペア:

[(1, 780631263), (3, 260210421), (9, 86736807), (27, 28912269), (81, 9637423), (1217, 641439), (3651, 213813), (7919, 98577), (10953, 71271), (23757, 32859)]