205401027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 301235200

約数和(自身を除く): 95834173

約数列:

[1, 3, 13, 39, 79, 163, 237, 409, 489, 1027, 1227, 2119, 3081, 5317, 6357, 12877, 15951, 32311, 38631, 66667, 96933, 167401, 200001, 420043, 502203, 866671, 1260129, 2600013, 5266693, 15800079, 68467009, 205401027]

約数ペア:

[(1, 205401027), (3, 68467009), (13, 15800079), (39, 5266693), (79, 2600013), (163, 1260129), (237, 866671), (409, 502203), (489, 420043), (1027, 200001), (1227, 167401), (2119, 96933), (3081, 66667), (5317, 38631), (6357, 32311), (12877, 15951)]