12891311517

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1\times {\mathrm{5683}}^1$

素因数の和:6793

約数の個数: 32

約数和(自身を含む): 19847618560

約数和(自身を除く): 6956307043

約数列:

[1, 3, 7, 21, 109, 327, 763, 991, 2289, 2973, 5683, 6937, 17049, 20811, 39781, 108019, 119343, 324057, 619447, 756133, 1858341, 2268399, 4336129, 5631853, 13008387, 16895559, 39422971, 118268913, 613871977, 1841615931, 4297103839, 12891311517]

約数ペア:

[(1, 12891311517), (3, 4297103839), (7, 1841615931), (21, 613871977), (109, 118268913), (327, 39422971), (763, 16895559), (991, 13008387), (2289, 5631853), (2973, 4336129), (5683, 2268399), (6937, 1858341), (17049, 756133), (20811, 619447), (39781, 324057), (108019, 119343)]