2720989155

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1\times {\mathrm{1949}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 4390214400

約数和(自身を除く): 1669225245

約数列:

[1, 3, 5, 15, 163, 489, 571, 815, 1713, 1949, 2445, 2855, 5847, 8565, 9745, 29235, 93073, 279219, 317687, 465365, 953061, 1112879, 1396095, 1588435, 3338637, 4765305, 5564395, 16693185, 181399277, 544197831, 906996385, 2720989155]

約数ペア:

[(1, 2720989155), (3, 906996385), (5, 544197831), (15, 181399277), (163, 16693185), (489, 5564395), (571, 4765305), (815, 3338637), (1713, 1588435), (1949, 1396095), (2445, 1112879), (2855, 953061), (5847, 465365), (8565, 317687), (9745, 279219), (29235, 93073)]