2080492407

素因数分解:

$3^2\times 7^1\times {\mathrm{2243}}^1\times {\mathrm{14723}}^1$

素因数の和:16979

約数の個数: 24

約数和(自身を含む): 3436228224

約数和(自身を除く): 1355735817

約数列:

[1, 3, 7, 9, 21, 63, 2243, 6729, 14723, 15701, 20187, 44169, 47103, 103061, 132507, 141309, 309183, 927549, 33023689, 99071067, 231165823, 297213201, 693497469, 2080492407]

約数ペア:

[(1, 2080492407), (3, 693497469), (7, 297213201), (9, 231165823), (21, 99071067), (63, 33023689), (2243, 927549), (6729, 309183), (14723, 141309), (15701, 132507), (20187, 103061), (44169, 47103)]