13731393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 7436607

約数列:

[1, 3, 13, 17, 39, 51, 139, 149, 221, 417, 447, 663, 1807, 1937, 2363, 2533, 5421, 5811, 7089, 7599, 20711, 30719, 32929, 62133, 92157, 98787, 269243, 352087, 807729, 1056261, 4577131, 13731393]

約数ペア:

[(1, 13731393), (3, 4577131), (13, 1056261), (17, 807729), (39, 352087), (51, 269243), (139, 98787), (149, 92157), (221, 62133), (417, 32929), (447, 30719), (663, 20711), (1807, 7599), (1937, 7089), (2363, 5811), (2533, 5421)]