128662911

素因数分解:

$3^5\times {\mathrm{13}}^3\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 209649440

約数和(自身を除く): 80986529

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 241, 243, 351, 507, 723, 1053, 1521, 2169, 2197, 3133, 3159, 4563, 6507, 6591, 9399, 13689, 19521, 19773, 28197, 40729, 41067, 58563, 59319, 84591, 122187, 177957, 253773, 366561, 529477, 533871, 761319, 1099683, 1588431, 3299049, 4765293, 9897147, 14295879, 42887637, 128662911]

約数ペア:

[(1, 128662911), (3, 42887637), (9, 14295879), (13, 9897147), (27, 4765293), (39, 3299049), (81, 1588431), (117, 1099683), (169, 761319), (241, 533871), (243, 529477), (351, 366561), (507, 253773), (723, 177957), (1053, 122187), (1521, 84591), (2169, 59319), (2197, 58563), (3133, 41067), (3159, 40729), (4563, 28197), (6507, 19773), (6591, 19521), (9399, 13689)]