12621231

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 21880320

約数和(自身を除く): 9259089

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 1553, 2709, 4659, 8127, 10871, 13977, 32613, 41931, 66779, 97839, 200337, 293517, 467453, 601011, 1402359, 1803033, 4207077, 12621231]

約数ペア:

[(1, 12621231), (3, 4207077), (7, 1803033), (9, 1402359), (21, 601011), (27, 467453), (43, 293517), (63, 200337), (129, 97839), (189, 66779), (301, 41931), (387, 32613), (903, 13977), (1161, 10871), (1553, 8127), (2709, 4659)]