12905451

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1511}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 20363616

約数和(自身を除く): 7458165

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 1511, 2847, 4533, 8541, 13599, 19643, 58929, 110303, 176787, 330909, 992727, 1433939, 4301817, 12905451]

約数ペア:

[(1, 12905451), (3, 4301817), (9, 1433939), (13, 992727), (39, 330909), (73, 176787), (117, 110303), (219, 58929), (657, 19643), (949, 13599), (1511, 8541), (2847, 4533)]