12787839

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 19443840

約数和(自身を除く): 6656001

約数列:

[1, 3, 9, 23, 69, 163, 207, 379, 489, 1137, 1467, 3411, 3749, 8717, 11247, 26151, 33741, 61777, 78453, 185331, 555993, 1420871, 4262613, 12787839]

約数ペア:

[(1, 12787839), (3, 4262613), (9, 1420871), (23, 555993), (69, 185331), (163, 78453), (207, 61777), (379, 33741), (489, 26151), (1137, 11247), (1467, 8717), (3411, 3749)]