2788973901

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1196471}}^1$

素因数の和:1196521

約数の個数: 24

約数和(自身を含む): 4728457344

約数和(自身を除く): 1939483443

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 1196471, 3589413, 8375297, 10768239, 25125891, 44269427, 75377673, 132808281, 309885989, 398424843, 929657967, 2788973901]

約数ペア:

[(1, 2788973901), (3, 929657967), (7, 398424843), (9, 309885989), (21, 132808281), (37, 75377673), (63, 44269427), (111, 25125891), (259, 10768239), (333, 8375297), (777, 3589413), (2331, 1196471)]