25138737

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 16794063

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 239, 261, 279, 377, 403, 717, 899, 1131, 1209, 2151, 2697, 3107, 3393, 3627, 6931, 7409, 8091, 9321, 11687, 20793, 22227, 27963, 35061, 62379, 66681, 90103, 96317, 105183, 214861, 270309, 288951, 644583, 810927, 866853, 1933749, 2793193, 8379579, 25138737]

約数ペア:

[(1, 25138737), (3, 8379579), (9, 2793193), (13, 1933749), (29, 866853), (31, 810927), (39, 644583), (87, 288951), (93, 270309), (117, 214861), (239, 105183), (261, 96317), (279, 90103), (377, 66681), (403, 62379), (717, 35061), (899, 27963), (1131, 22227), (1209, 20793), (2151, 11687), (2697, 9321), (3107, 8091), (3393, 7409), (3627, 6931)]