12165921

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 18120960

約数和(自身を除く): 5955039

約数列:

[1, 3, 9, 71, 79, 213, 237, 241, 639, 711, 723, 2169, 5609, 16827, 17111, 19039, 50481, 51333, 57117, 153999, 171351, 1351769, 4055307, 12165921]

約数ペア:

[(1, 12165921), (3, 4055307), (9, 1351769), (71, 171351), (79, 153999), (213, 57117), (237, 51333), (241, 50481), (639, 19039), (711, 17111), (723, 16827), (2169, 5609)]