1330497

素因数分解:

$3^2\times 7^3\times {\mathrm{431}}^1$

素因数の和:458

約数の個数: 24

約数和(自身を含む): 2246400

約数和(自身を除く): 915903

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 431, 441, 1029, 1293, 3017, 3087, 3879, 9051, 21119, 27153, 63357, 147833, 190071, 443499, 1330497]

約数ペア:

[(1, 1330497), (3, 443499), (7, 190071), (9, 147833), (21, 63357), (49, 27153), (63, 21119), (147, 9051), (343, 3879), (431, 3087), (441, 3017), (1029, 1293)]