13173867

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 22837760

約数和(自身を除く): 9663893

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 1621, 2709, 4863, 8127, 11347, 14589, 34041, 43767, 69703, 102123, 209109, 306369, 487921, 627327, 1463763, 1881981, 4391289, 13173867]

約数ペア:

[(1, 13173867), (3, 4391289), (7, 1881981), (9, 1463763), (21, 627327), (27, 487921), (43, 306369), (63, 209109), (129, 102123), (189, 69703), (301, 43767), (387, 34041), (903, 14589), (1161, 11347), (1621, 8127), (2709, 4863)]