1299627

素因数分解:

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

素因数の和:448

約数の個数: 24

約数和(自身を含む): 2194400

約数和(自身を除く): 894773

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 421, 441, 1029, 1263, 2947, 3087, 3789, 8841, 20629, 26523, 61887, 144403, 185661, 433209, 1299627]

約数ペア:

[(1, 1299627), (3, 433209), (7, 185661), (9, 144403), (21, 61887), (49, 26523), (63, 20629), (147, 8841), (343, 3789), (421, 3087), (441, 2947), (1029, 1263)]