18177291

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 30945024

約数和(自身を除く): 12767733

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 887, 891, 1863, 2277, 2661, 6831, 7983, 9757, 20401, 20493, 23949, 29271, 61203, 71847, 87813, 183609, 224411, 263439, 550827, 673233, 790317, 1652481, 2019699, 6059097, 18177291]

約数ペア:

[(1, 18177291), (3, 6059097), (9, 2019699), (11, 1652481), (23, 790317), (27, 673233), (33, 550827), (69, 263439), (81, 224411), (99, 183609), (207, 87813), (253, 71847), (297, 61203), (621, 29271), (759, 23949), (887, 20493), (891, 20401), (1863, 9757), (2277, 7983), (2661, 6831)]