40520601

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 67244800

約数和(自身を除く): 26724199

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 121, 157, 237, 297, 363, 471, 711, 869, 1089, 1413, 1727, 2133, 2607, 3267, 4239, 5181, 7821, 9559, 12403, 15543, 18997, 23463, 28677, 37209, 46629, 56991, 86031, 111627, 136433, 170973, 258093, 334881, 409299, 512919, 1227897, 1500763, 3683691, 4502289, 13506867, 40520601]

約数ペア:

[(1, 40520601), (3, 13506867), (9, 4502289), (11, 3683691), (27, 1500763), (33, 1227897), (79, 512919), (99, 409299), (121, 334881), (157, 258093), (237, 170973), (297, 136433), (363, 111627), (471, 86031), (711, 56991), (869, 46629), (1089, 37209), (1413, 28677), (1727, 23463), (2133, 18997), (2607, 15543), (3267, 12403), (4239, 9559), (5181, 7821)]