16837209

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 25145120

約数和(自身を除く): 8307911

約数列:

[1, 3, 9, 43, 129, 139, 313, 387, 417, 939, 1251, 2817, 5977, 13459, 17931, 40377, 43507, 53793, 121131, 130521, 391563, 1870801, 5612403, 16837209]

約数ペア:

[(1, 16837209), (3, 5612403), (9, 1870801), (43, 391563), (129, 130521), (139, 121131), (313, 53793), (387, 43507), (417, 40377), (939, 17931), (1251, 13459), (2817, 5977)]