81888081

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 130744320

約数和(自身を除く): 48856239

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 121, 209, 341, 363, 383, 589, 627, 1023, 1149, 1767, 2299, 3751, 4213, 6479, 6897, 7277, 11253, 11873, 12639, 19437, 21831, 35619, 46343, 71269, 80047, 130603, 139029, 213807, 225587, 240141, 391809, 676761, 880517, 1436633, 2481457, 2641551, 4309899, 7444371, 27296027, 81888081]

約数ペア:

[(1, 81888081), (3, 27296027), (11, 7444371), (19, 4309899), (31, 2641551), (33, 2481457), (57, 1436633), (93, 880517), (121, 676761), (209, 391809), (341, 240141), (363, 225587), (383, 213807), (589, 139029), (627, 130603), (1023, 80047), (1149, 71269), (1767, 46343), (2299, 35619), (3751, 21831), (4213, 19437), (6479, 12639), (6897, 11873), (7277, 11253)]