12889269

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 19723392

約数和(自身を除く): 6834123

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 877, 1633, 2631, 4899, 7893, 14697, 20171, 60513, 62267, 181539, 186801, 560403, 1432141, 4296423, 12889269]

約数ペア:

[(1, 12889269), (3, 4296423), (9, 1432141), (23, 560403), (69, 186801), (71, 181539), (207, 62267), (213, 60513), (639, 20171), (877, 14697), (1633, 7893), (2631, 4899)]