20691099

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 17048421

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 99, 117, 143, 207, 233, 253, 297, 299, 351, 429, 621, 699, 759, 897, 1287, 2097, 2277, 2563, 2691, 3029, 3289, 3861, 5359, 6291, 6831, 7689, 8073, 9087, 9867, 16077, 23067, 27261, 29601, 33319, 48231, 58949, 69201, 69667, 81783, 88803, 99957, 144693, 176847, 209001, 299871, 530541, 627003, 766337, 899613, 1591623, 1881009, 2299011, 6897033, 20691099]

約数ペア:

[(1, 20691099), (3, 6897033), (9, 2299011), (11, 1881009), (13, 1591623), (23, 899613), (27, 766337), (33, 627003), (39, 530541), (69, 299871), (99, 209001), (117, 176847), (143, 144693), (207, 99957), (233, 88803), (253, 81783), (297, 69667), (299, 69201), (351, 58949), (429, 48231), (621, 33319), (699, 29601), (759, 27261), (897, 23067), (1287, 16077), (2097, 9867), (2277, 9087), (2563, 8073), (2691, 7689), (3029, 6831), (3289, 6291), (3861, 5359)]