25562943

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 42432000

約数和(自身を除く): 16869057

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2039, 4179, 6117, 12537, 14273, 18351, 42819, 128457, 405761, 1217283, 2840327, 3651849, 8520981, 25562943]

約数ペア:

[(1, 25562943), (3, 8520981), (7, 3651849), (9, 2840327), (21, 1217283), (63, 405761), (199, 128457), (597, 42819), (1393, 18351), (1791, 14273), (2039, 12537), (4179, 6117)]