25499745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 23851935

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 85, 123, 135, 153, 205, 255, 271, 369, 459, 615, 697, 765, 813, 1107, 1355, 1845, 2091, 2295, 2439, 3485, 4065, 4607, 5535, 6273, 7317, 10455, 11111, 12195, 13821, 18819, 23035, 31365, 33333, 36585, 41463, 55555, 69105, 94095, 99999, 124389, 166665, 188887, 207315, 299997, 499995, 566661, 621945, 944435, 1499985, 1699983, 2833305, 5099949, 8499915, 25499745]

約数ペア:

[(1, 25499745), (3, 8499915), (5, 5099949), (9, 2833305), (15, 1699983), (17, 1499985), (27, 944435), (41, 621945), (45, 566661), (51, 499995), (85, 299997), (123, 207315), (135, 188887), (153, 166665), (205, 124389), (255, 99999), (271, 94095), (369, 69105), (459, 55555), (615, 41463), (697, 36585), (765, 33333), (813, 31365), (1107, 23035), (1355, 18819), (1845, 13821), (2091, 12195), (2295, 11111), (2439, 10455), (3485, 7317), (4065, 6273), (4607, 5535)]