131638353

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{81409}}^1$

素因数の和:81437

約数の個数: 24

約数和(自身を含む): 222737760

約数和(自身を除く): 91099407

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 81409, 244227, 569863, 895499, 1709589, 2686497, 3989041, 6268493, 11967123, 18805479, 43879451, 131638353]

約数ペア:

[(1, 131638353), (3, 43879451), (7, 18805479), (11, 11967123), (21, 6268493), (33, 3989041), (49, 2686497), (77, 1709589), (147, 895499), (231, 569863), (539, 244227), (1617, 81409)]