8381289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 13576768

約数和(自身を除く): 5195479

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 1381, 2023, 4143, 6069, 9667, 23477, 29001, 70431, 164339, 399109, 493017, 1197327, 2793763, 8381289]

約数ペア:

[(1, 8381289), (3, 2793763), (7, 1197327), (17, 493017), (21, 399109), (51, 164339), (119, 70431), (289, 29001), (357, 23477), (867, 9667), (1381, 6069), (2023, 4143)]