87160779

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 40

約数和(自身を含む): 134861760

約数和(自身を除く): 47700981

約数列:

[1, 3, 9, 27, 53, 79, 81, 159, 237, 257, 477, 711, 771, 1431, 2133, 2313, 4187, 4293, 6399, 6939, 12561, 13621, 20303, 20817, 37683, 40863, 60909, 113049, 122589, 182727, 339147, 367767, 548181, 1076059, 1103301, 1644543, 3228177, 9684531, 29053593, 87160779]

約数ペア:

[(1, 87160779), (3, 29053593), (9, 9684531), (27, 3228177), (53, 1644543), (79, 1103301), (81, 1076059), (159, 548181), (237, 367767), (257, 339147), (477, 182727), (711, 122589), (771, 113049), (1431, 60909), (2133, 40863), (2313, 37683), (4187, 20817), (4293, 20303), (6399, 13621), (6939, 12561)]