68289249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5521}}^1$

素因数の和:5581

約数の個数: 32

約数和(自身を含む): 113090560

約数和(自身を除く): 44801311

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 5521, 12369, 16563, 38647, 104899, 115941, 171151, 314697, 513453, 734293, 1198057, 2202879, 3251869, 3594171, 9755607, 22763083, 68289249]

約数ペア:

[(1, 68289249), (3, 22763083), (7, 9755607), (19, 3594171), (21, 3251869), (31, 2202879), (57, 1198057), (93, 734293), (133, 513453), (217, 314697), (399, 171151), (589, 115941), (651, 104899), (1767, 38647), (4123, 16563), (5521, 12369)]