1978473

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 3150048

約数和(自身を除く): 1171575

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 313, 903, 939, 2107, 2191, 6321, 6573, 13459, 15337, 40377, 46011, 94213, 282639, 659491, 1978473]

約数ペア:

[(1, 1978473), (3, 659491), (7, 282639), (21, 94213), (43, 46011), (49, 40377), (129, 15337), (147, 13459), (301, 6573), (313, 6321), (903, 2191), (939, 2107)]