25804989

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 44821504

約数和(自身を除く): 19016515

約数列:

[1, 3, 7, 9, 21, 31, 63, 73, 93, 181, 217, 219, 279, 511, 543, 651, 657, 1267, 1533, 1629, 1953, 2263, 3801, 4599, 5611, 6789, 11403, 13213, 15841, 16833, 20367, 39277, 39639, 47523, 50499, 92491, 117831, 118917, 142569, 277473, 353493, 409603, 832419, 1228809, 2867221, 3686427, 8601663, 25804989]

約数ペア:

[(1, 25804989), (3, 8601663), (7, 3686427), (9, 2867221), (21, 1228809), (31, 832419), (63, 409603), (73, 353493), (93, 277473), (181, 142569), (217, 118917), (219, 117831), (279, 92491), (511, 50499), (543, 47523), (651, 39639), (657, 39277), (1267, 20367), (1533, 16833), (1629, 15841), (1953, 13213), (2263, 11403), (3801, 6789), (4599, 5611)]