81411291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 130912320

約数和(自身を除く): 49501029

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 351, 411, 1233, 1693, 1781, 3699, 5079, 5343, 15237, 16029, 22009, 45711, 48087, 66027, 198081, 231941, 594243, 695823, 2087469, 3015233, 6262407, 9045699, 27137097, 81411291]

約数ペア:

[(1, 81411291), (3, 27137097), (9, 9045699), (13, 6262407), (27, 3015233), (39, 2087469), (117, 695823), (137, 594243), (351, 231941), (411, 198081), (1233, 66027), (1693, 48087), (1781, 45711), (3699, 22009), (5079, 16029), (5343, 15237)]