399940353

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{28837}}^1$

素因数の和:28933

約数の個数: 24

約数和(自身を含む): 611827008

約数和(自身を除く): 211886655

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 4623, 13869, 28837, 86511, 259533, 663251, 1932079, 1989753, 5796237, 5969259, 17388711, 44437817, 133313451, 399940353]

約数ペア:

[(1, 399940353), (3, 133313451), (9, 44437817), (23, 17388711), (67, 5969259), (69, 5796237), (201, 1989753), (207, 1932079), (603, 663251), (1541, 259533), (4623, 86511), (13869, 28837)]