231511287

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10631}}^1$

素因数の和:10719

約数の個数: 32

約数和(自身を含む): 379689984

約数和(自身を除く): 148178697

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 3111, 7259, 10631, 21777, 31893, 74417, 180727, 223251, 542181, 648491, 1265089, 1945473, 3795267, 4539437, 11024347, 13618311, 33073041, 77170429, 231511287]

約数ペア:

[(1, 231511287), (3, 77170429), (7, 33073041), (17, 13618311), (21, 11024347), (51, 4539437), (61, 3795267), (119, 1945473), (183, 1265089), (357, 648491), (427, 542181), (1037, 223251), (1281, 180727), (3111, 74417), (7259, 31893), (10631, 21777)]