25035381

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 43580160

約数和(自身を除く): 18544779

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 193, 203, 213, 261, 497, 579, 609, 639, 1351, 1491, 1737, 1827, 2059, 4053, 4473, 5597, 6177, 12159, 13703, 14413, 16791, 18531, 39179, 41109, 43239, 50373, 95921, 117537, 123327, 129717, 287763, 352611, 397387, 863289, 1192161, 2781709, 3576483, 8345127, 25035381]

約数ペア:

[(1, 25035381), (3, 8345127), (7, 3576483), (9, 2781709), (21, 1192161), (29, 863289), (63, 397387), (71, 352611), (87, 287763), (193, 129717), (203, 123327), (213, 117537), (261, 95921), (497, 50373), (579, 43239), (609, 41109), (639, 39179), (1351, 18531), (1491, 16791), (1737, 14413), (1827, 13703), (2059, 12159), (4053, 6177), (4473, 5597)]