678741921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 96

約数和(自身を含む): 1243831680

約数和(自身を除く): 565089759

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 41, 57, 99, 117, 123, 143, 171, 209, 247, 369, 429, 451, 533, 627, 677, 741, 779, 1287, 1353, 1599, 1881, 2031, 2223, 2337, 2717, 4059, 4797, 5863, 6093, 7011, 7447, 8151, 8569, 8801, 10127, 12863, 17589, 22341, 24453, 25707, 26403, 27757, 30381, 38589, 52767, 67023, 77121, 79209, 83271, 91143, 96811, 111397, 115767, 141493, 167219, 249813, 290433, 305327, 334191, 360841, 424479, 501657, 527383, 871299, 915981, 1002573, 1082523, 1273437, 1504971, 1582149, 1839409, 2747943, 3247569, 3969251, 4746447, 5518227, 5801213, 6855979, 11907753, 16554681, 17403639, 20567937, 35723259, 52210917, 61703811, 75415769, 226247307, 678741921]

約数ペア:

[(1, 678741921), (3, 226247307), (9, 75415769), (11, 61703811), (13, 52210917), (19, 35723259), (33, 20567937), (39, 17403639), (41, 16554681), (57, 11907753), (99, 6855979), (117, 5801213), (123, 5518227), (143, 4746447), (171, 3969251), (209, 3247569), (247, 2747943), (369, 1839409), (429, 1582149), (451, 1504971), (533, 1273437), (627, 1082523), (677, 1002573), (741, 915981), (779, 871299), (1287, 527383), (1353, 501657), (1599, 424479), (1881, 360841), (2031, 334191), (2223, 305327), (2337, 290433), (2717, 249813), (4059, 167219), (4797, 141493), (5863, 115767), (6093, 111397), (7011, 96811), (7447, 91143), (8151, 83271), (8569, 79209), (8801, 77121), (10127, 67023), (12863, 52767), (17589, 38589), (22341, 30381), (24453, 27757), (25707, 26403)]