228972471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2213}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 376911360

約数和(自身を除く): 147938889

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 379, 1137, 2213, 2653, 4927, 6639, 7959, 14781, 15491, 28769, 34489, 46473, 86307, 103467, 201383, 604149, 838727, 2516181, 5871089, 10903451, 17613267, 32710353, 76324157, 228972471]

約数ペア:

[(1, 228972471), (3, 76324157), (7, 32710353), (13, 17613267), (21, 10903451), (39, 5871089), (91, 2516181), (273, 838727), (379, 604149), (1137, 201383), (2213, 103467), (2653, 86307), (4927, 46473), (6639, 34489), (7959, 28769), (14781, 15491)]