289097207

素因数分解:

$7^5\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 342590976

約数和(自身を除く): 53493769

約数列:

[1, 7, 49, 103, 167, 343, 721, 1169, 2401, 5047, 8183, 16807, 17201, 35329, 57281, 120407, 247303, 400967, 842849, 1731121, 2806769, 5899943, 41299601, 289097207]

約数ペア:

[(1, 289097207), (7, 41299601), (49, 5899943), (103, 2806769), (167, 1731121), (343, 842849), (721, 400967), (1169, 247303), (2401, 120407), (5047, 57281), (8183, 35329), (16807, 17201)]