80165421

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 146984760

約数和(自身を除く): 66819339

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 147, 153, 259, 289, 333, 357, 441, 629, 777, 833, 867, 1071, 1813, 1887, 2023, 2331, 2499, 2601, 4403, 4913, 5439, 5661, 6069, 7497, 10693, 13209, 14161, 14739, 16317, 18207, 30821, 32079, 34391, 39627, 42483, 44217, 74851, 92463, 96237, 103173, 127449, 181781, 224553, 240737, 277389, 309519, 523957, 545343, 673659, 722211, 1272467, 1571871, 1636029, 2166633, 3817401, 4715613, 8907269, 11452203, 26721807, 80165421]

約数ペア:

[(1, 80165421), (3, 26721807), (7, 11452203), (9, 8907269), (17, 4715613), (21, 3817401), (37, 2166633), (49, 1636029), (51, 1571871), (63, 1272467), (111, 722211), (119, 673659), (147, 545343), (153, 523957), (259, 309519), (289, 277389), (333, 240737), (357, 224553), (441, 181781), (629, 127449), (777, 103173), (833, 96237), (867, 92463), (1071, 74851), (1813, 44217), (1887, 42483), (2023, 39627), (2331, 34391), (2499, 32079), (2601, 30821), (4403, 18207), (4913, 16317), (5439, 14739), (5661, 14161), (6069, 13209), (7497, 10693)]