87894207

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 135413760

約数和(自身を除く): 47519553

約数列:

[1, 3, 9, 27, 31, 93, 173, 279, 519, 607, 837, 1557, 1821, 4671, 5363, 5463, 16089, 16389, 18817, 48267, 56451, 105011, 144801, 169353, 315033, 508059, 945099, 2835297, 3255341, 9766023, 29298069, 87894207]

約数ペア:

[(1, 87894207), (3, 29298069), (9, 9766023), (27, 3255341), (31, 2835297), (93, 945099), (173, 508059), (279, 315033), (519, 169353), (607, 144801), (837, 105011), (1557, 56451), (1821, 48267), (4671, 18817), (5363, 16389), (5463, 16089)]