25580079

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 44209152

約数和(自身を除く): 18629073

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 163, 329, 371, 423, 477, 489, 987, 1113, 1141, 1467, 2491, 2961, 3339, 3423, 7473, 7661, 8639, 10269, 17437, 22419, 22983, 25917, 52311, 53627, 60473, 68949, 77751, 156933, 160881, 181419, 406033, 482643, 544257, 1218099, 2842231, 3654297, 8526693, 25580079]

約数ペア:

[(1, 25580079), (3, 8526693), (7, 3654297), (9, 2842231), (21, 1218099), (47, 544257), (53, 482643), (63, 406033), (141, 181419), (159, 160881), (163, 156933), (329, 77751), (371, 68949), (423, 60473), (477, 53627), (489, 52311), (987, 25917), (1113, 22983), (1141, 22419), (1467, 17437), (2491, 10269), (2961, 8639), (3339, 7661), (3423, 7473)]