397392051

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{65479}}^1$

素因数の和:65523

約数の個数: 24

約数和(自身を含む): 643275520

約数和(自身を除く): 245883469

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 6069, 65479, 196437, 458353, 1113143, 1375059, 3339429, 7792001, 18923431, 23376003, 56770293, 132464017, 397392051]

約数ペア:

[(1, 397392051), (3, 132464017), (7, 56770293), (17, 23376003), (21, 18923431), (51, 7792001), (119, 3339429), (289, 1375059), (357, 1113143), (867, 458353), (2023, 196437), (6069, 65479)]