7783139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 10009440

約数和(自身を除く): 2226301

約数列:

[1, 7, 13, 31, 89, 91, 217, 403, 623, 961, 1157, 2759, 2821, 6727, 8099, 12493, 19313, 35867, 85529, 87451, 251069, 598703, 1111877, 7783139]

約数ペア:

[(1, 7783139), (7, 1111877), (13, 598703), (31, 251069), (89, 87451), (91, 85529), (217, 35867), (403, 19313), (623, 12493), (961, 8099), (1157, 6727), (2759, 2821)]