25154271

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 40708200

約数和(自身を除く): 15553929

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 289, 323, 509, 867, 969, 1527, 2601, 2907, 4581, 5491, 8653, 9671, 16473, 25959, 29013, 49419, 77877, 87039, 147101, 164407, 441303, 493221, 1323909, 1479663, 2794919, 8384757, 25154271]

約数ペア:

[(1, 25154271), (3, 8384757), (9, 2794919), (17, 1479663), (19, 1323909), (51, 493221), (57, 441303), (153, 164407), (171, 147101), (289, 87039), (323, 77877), (509, 49419), (867, 29013), (969, 25959), (1527, 16473), (2601, 9671), (2907, 8653), (4581, 5491)]