31056909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 47698560

約数和(自身を除く): 16641651

約数列:

[1, 3, 13, 17, 39, 51, 139, 221, 337, 417, 663, 1011, 1807, 2363, 4381, 5421, 5729, 7089, 13143, 17187, 30719, 46843, 74477, 92157, 140529, 223431, 608959, 796331, 1826877, 2388993, 10352303, 31056909]

約数ペア:

[(1, 31056909), (3, 10352303), (13, 2388993), (17, 1826877), (39, 796331), (51, 608959), (139, 223431), (221, 140529), (337, 92157), (417, 74477), (663, 46843), (1011, 30719), (1807, 17187), (2363, 13143), (4381, 7089), (5421, 5729)]