12615993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11981}}^1$

素因数の和:12006

約数の個数: 20

約数和(自身を含む): 20297508

約数和(自身を除く): 7681515

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11981, 35943, 107829, 155753, 323487, 467259, 970461, 1401777, 4205331, 12615993]

約数ペア:

[(1, 12615993), (3, 4205331), (9, 1401777), (13, 970461), (27, 467259), (39, 323487), (81, 155753), (117, 107829), (351, 35943), (1053, 11981)]