120981231

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 225358848

約数和(自身を除く): 104377617

約数列:

[1, 3, 7, 9, 17, 21, 37, 43, 51, 63, 71, 111, 119, 129, 153, 213, 259, 301, 333, 357, 387, 497, 629, 639, 731, 777, 903, 1071, 1207, 1491, 1591, 1887, 2193, 2331, 2627, 2709, 3053, 3621, 4403, 4473, 4773, 5117, 5661, 6579, 7881, 8449, 9159, 10863, 11137, 13209, 14319, 15351, 18389, 21371, 23643, 25347, 27047, 27477, 33411, 39627, 44659, 46053, 51901, 55167, 64113, 76041, 81141, 100233, 112961, 133977, 155703, 165501, 189329, 192339, 243423, 312613, 338883, 363307, 401931, 467109, 567987, 790727, 937839, 1016649, 1089921, 1703961, 1920337, 2372181, 2813517, 3269763, 5761011, 7116543, 13442359, 17283033, 40327077, 120981231]

約数ペア:

[(1, 120981231), (3, 40327077), (7, 17283033), (9, 13442359), (17, 7116543), (21, 5761011), (37, 3269763), (43, 2813517), (51, 2372181), (63, 1920337), (71, 1703961), (111, 1089921), (119, 1016649), (129, 937839), (153, 790727), (213, 567987), (259, 467109), (301, 401931), (333, 363307), (357, 338883), (387, 312613), (497, 243423), (629, 192339), (639, 189329), (731, 165501), (777, 155703), (903, 133977), (1071, 112961), (1207, 100233), (1491, 81141), (1591, 76041), (1887, 64113), (2193, 55167), (2331, 51901), (2627, 46053), (2709, 44659), (3053, 39627), (3621, 33411), (4403, 27477), (4473, 27047), (4773, 25347), (5117, 23643), (5661, 21371), (6579, 18389), (7881, 15351), (8449, 14319), (9159, 13209), (10863, 11137)]