15220121

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 16

約数和(自身を含む): 18418560

約数和(自身を除く): 3198439

約数列:

[1, 7, 19, 133, 317, 361, 2219, 2527, 6023, 6859, 42161, 48013, 114437, 801059, 2174303, 15220121]

約数ペア:

[(1, 15220121), (7, 2174303), (19, 801059), (133, 114437), (317, 48013), (361, 42161), (2219, 6859), (2527, 6023)]