12706317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 19894784

約数和(自身を除く): 7188467

約数列:

[1, 3, 9, 13, 39, 117, 223, 487, 669, 1461, 2007, 2899, 4383, 6331, 8697, 18993, 26091, 56979, 108601, 325803, 977409, 1411813, 4235439, 12706317]

約数ペア:

[(1, 12706317), (3, 4235439), (9, 1411813), (13, 977409), (39, 325803), (117, 108601), (223, 56979), (487, 26091), (669, 18993), (1461, 8697), (2007, 6331), (2899, 4383)]