1295847

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 2178176

約数和(自身を除く): 882329

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 307, 469, 603, 921, 1407, 2149, 2763, 4221, 6447, 19341, 20569, 61707, 143983, 185121, 431949, 1295847]

約数ペア:

[(1, 1295847), (3, 431949), (7, 185121), (9, 143983), (21, 61707), (63, 20569), (67, 19341), (201, 6447), (307, 4221), (469, 2763), (603, 2149), (921, 1407)]