131820805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 176709600

約数和(自身を除く): 44888795

約数列:

[1, 5, 17, 29, 53, 85, 145, 265, 493, 901, 1009, 1537, 2465, 4505, 5045, 7685, 17153, 26129, 29261, 53477, 85765, 130645, 146305, 267385, 497437, 909109, 1550833, 2487185, 4545545, 7754165, 26364161, 131820805]

約数ペア:

[(1, 131820805), (5, 26364161), (17, 7754165), (29, 4545545), (53, 2487185), (85, 1550833), (145, 909109), (265, 497437), (493, 267385), (901, 146305), (1009, 130645), (1537, 85765), (2465, 53477), (4505, 29261), (5045, 26129), (7685, 17153)]