12240423

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 20007680

約数和(自身を除く): 7767257

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 811, 1161, 1677, 2433, 5031, 7299, 10543, 15093, 21897, 31629, 34873, 94887, 104619, 284661, 313857, 453349, 941571, 1360047, 4080141, 12240423]

約数ペア:

[(1, 12240423), (3, 4080141), (9, 1360047), (13, 941571), (27, 453349), (39, 313857), (43, 284661), (117, 104619), (129, 94887), (351, 34873), (387, 31629), (559, 21897), (811, 15093), (1161, 10543), (1677, 7299), (2433, 5031)]