127536759

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 233326080

約数和(自身を除く): 105789321

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 93, 133, 147, 171, 217, 279, 399, 441, 491, 589, 651, 931, 1197, 1473, 1519, 1767, 1953, 2793, 3437, 4123, 4419, 4557, 5301, 8379, 9329, 10311, 12369, 13671, 15221, 24059, 27987, 28861, 30933, 37107, 45663, 65303, 72177, 83961, 86583, 106547, 136989, 195909, 216531, 259749, 289199, 319641, 457121, 587727, 745829, 867597, 958923, 1371363, 2024393, 2237487, 2602791, 4114089, 6073179, 6712461, 14170751, 18219537, 42512253, 127536759]

約数ペア:

[(1, 127536759), (3, 42512253), (7, 18219537), (9, 14170751), (19, 6712461), (21, 6073179), (31, 4114089), (49, 2602791), (57, 2237487), (63, 2024393), (93, 1371363), (133, 958923), (147, 867597), (171, 745829), (217, 587727), (279, 457121), (399, 319641), (441, 289199), (491, 259749), (589, 216531), (651, 195909), (931, 136989), (1197, 106547), (1473, 86583), (1519, 83961), (1767, 72177), (1953, 65303), (2793, 45663), (3437, 37107), (4123, 30933), (4419, 28861), (4557, 27987), (5301, 24059), (8379, 15221), (9329, 13671), (10311, 12369)]