25778817

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 41408136

約数和(自身を除く): 15629319

約数列:

[1, 3, 9, 17, 27, 51, 81, 97, 153, 193, 291, 459, 579, 873, 1377, 1649, 1737, 2619, 3281, 4947, 5211, 7857, 9843, 14841, 15633, 18721, 29529, 44523, 56163, 88587, 133569, 168489, 265761, 318257, 505467, 954771, 1516401, 2864313, 8592939, 25778817]

約数ペア:

[(1, 25778817), (3, 8592939), (9, 2864313), (17, 1516401), (27, 954771), (51, 505467), (81, 318257), (97, 265761), (153, 168489), (193, 133569), (291, 88587), (459, 56163), (579, 44523), (873, 29529), (1377, 18721), (1649, 15633), (1737, 14841), (2619, 9843), (3281, 7857), (4947, 5211)]