289947237

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 399438144

約数和(自身を除く): 109490907

約数列:

[1, 3, 43, 129, 167, 313, 501, 939, 1849, 5547, 7181, 13459, 21543, 40377, 52271, 156813, 308783, 578737, 926349, 1736211, 2247653, 6742959, 96649079, 289947237]

約数ペア:

[(1, 289947237), (3, 96649079), (43, 6742959), (129, 2247653), (167, 1736211), (313, 926349), (501, 578737), (939, 308783), (1849, 156813), (5547, 52271), (7181, 40377), (13459, 21543)]