16895151

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 30721600

約数和(自身を除く): 13826449

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 421, 441, 637, 819, 1029, 1263, 1911, 2947, 3087, 3789, 4459, 5473, 5733, 8841, 13377, 16419, 20629, 26523, 38311, 40131, 49257, 61887, 114933, 144403, 185661, 268177, 344799, 433209, 804531, 1299627, 1877239, 2413593, 5631717, 16895151]

約数ペア:

[(1, 16895151), (3, 5631717), (7, 2413593), (9, 1877239), (13, 1299627), (21, 804531), (39, 433209), (49, 344799), (63, 268177), (91, 185661), (117, 144403), (147, 114933), (273, 61887), (343, 49257), (421, 40131), (441, 38311), (637, 26523), (819, 20629), (1029, 16419), (1263, 13377), (1911, 8841), (2947, 5733), (3087, 5473), (3789, 4459)]