51758217

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 42590583

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 89, 119, 153, 181, 189, 267, 357, 459, 543, 623, 801, 1071, 1267, 1513, 1629, 1869, 2403, 3077, 3213, 3801, 4539, 4887, 5607, 9231, 10591, 11403, 13617, 16109, 16821, 21539, 27693, 31773, 34209, 40851, 48327, 64617, 83079, 95319, 112763, 144981, 193851, 273853, 285957, 338289, 434943, 581553, 821559, 1014867, 1916971, 2464677, 3044601, 5750913, 7394031, 17252739, 51758217]

約数ペア:

[(1, 51758217), (3, 17252739), (7, 7394031), (9, 5750913), (17, 3044601), (21, 2464677), (27, 1916971), (51, 1014867), (63, 821559), (89, 581553), (119, 434943), (153, 338289), (181, 285957), (189, 273853), (267, 193851), (357, 144981), (459, 112763), (543, 95319), (623, 83079), (801, 64617), (1071, 48327), (1267, 40851), (1513, 34209), (1629, 31773), (1869, 27693), (2403, 21539), (3077, 16821), (3213, 16109), (3801, 13617), (4539, 11403), (4887, 10591), (5607, 9231)]