18120249

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2454

約数の個数: 36

約数和(自身を含む): 32251284

約数和(自身を除く): 14131035

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2417, 2499, 7251, 7497, 16919, 21753, 41089, 50757, 118433, 123267, 152271, 287623, 355299, 369801, 862869, 1065897, 2013361, 2588607, 6040083, 18120249]

約数ペア:

[(1, 18120249), (3, 6040083), (7, 2588607), (9, 2013361), (17, 1065897), (21, 862869), (49, 369801), (51, 355299), (63, 287623), (119, 152271), (147, 123267), (153, 118433), (357, 50757), (441, 41089), (833, 21753), (1071, 16919), (2417, 7497), (2499, 7251)]