81323145

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11087}}^1$

素因数の和:11261

約数の個数: 24

約数和(自身を含む): 141837696

約数和(自身を除く): 60514551

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 11087, 33261, 55435, 99783, 166305, 498915, 1807181, 5421543, 9035905, 16264629, 27107715, 81323145]

約数ペア:

[(1, 81323145), (3, 27107715), (5, 16264629), (9, 9035905), (15, 5421543), (45, 1807181), (163, 498915), (489, 166305), (815, 99783), (1467, 55435), (2445, 33261), (7335, 11087)]