81959985

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6011}}^1$

素因数の和:6126

約数の個数: 32

約数和(自身を含む): 147173760

約数和(自身を除く): 65213775

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 2727, 4545, 6011, 13635, 18033, 30055, 54099, 90165, 162297, 270495, 607111, 811485, 1821333, 3035555, 5463999, 9106665, 16391997, 27319995, 81959985]

約数ペア:

[(1, 81959985), (3, 27319995), (5, 16391997), (9, 9106665), (15, 5463999), (27, 3035555), (45, 1821333), (101, 811485), (135, 607111), (303, 270495), (505, 162297), (909, 90165), (1515, 54099), (2727, 30055), (4545, 18033), (6011, 13635)]