15643145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 23141376

約数和(自身を除く): 7498231

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 427, 431, 595, 1037, 2135, 2155, 3017, 5185, 7259, 7327, 15085, 26291, 36295, 36635, 51289, 131455, 184037, 256445, 446947, 920185, 2234735, 3128629, 15643145]

約数ペア:

[(1, 15643145), (5, 3128629), (7, 2234735), (17, 920185), (35, 446947), (61, 256445), (85, 184037), (119, 131455), (305, 51289), (427, 36635), (431, 36295), (595, 26291), (1037, 15085), (2135, 7327), (2155, 7259), (3017, 5185)]