81384105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6947}}^1$

素因数の和:7037

約数の個数: 32

約数和(自身を含む): 144073728

約数和(自身を除く): 62689623

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 6947, 11715, 20841, 34735, 76417, 104205, 229251, 382085, 493237, 1146255, 1479711, 2466185, 5425607, 7398555, 16276821, 27128035, 81384105]

約数ペア:

[(1, 81384105), (3, 27128035), (5, 16276821), (11, 7398555), (15, 5425607), (33, 2466185), (55, 1479711), (71, 1146255), (165, 493237), (213, 382085), (355, 229251), (781, 104205), (1065, 76417), (2343, 34735), (3905, 20841), (6947, 11715)]