25439955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 44720640

約数和(自身を除く): 19280685

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3881, 6555, 11643, 19405, 58215, 73739, 89263, 221217, 267789, 368695, 446315, 1106085, 1338945, 1695997, 5087991, 8479985, 25439955]

約数ペア:

[(1, 25439955), (3, 8479985), (5, 5087991), (15, 1695997), (19, 1338945), (23, 1106085), (57, 446315), (69, 368695), (95, 267789), (115, 221217), (285, 89263), (345, 73739), (437, 58215), (1311, 19405), (2185, 11643), (3881, 6555)]