9998261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 13644288

約数和(自身を除く): 3646027

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 281, 299, 391, 1547, 1967, 2093, 2737, 3653, 4777, 5083, 6463, 25571, 33439, 35581, 45241, 62101, 84019, 109871, 434707, 588133, 769097, 1428323, 9998261]

約数ペア:

[(1, 9998261), (7, 1428323), (13, 769097), (17, 588133), (23, 434707), (91, 109871), (119, 84019), (161, 62101), (221, 45241), (281, 35581), (299, 33439), (391, 25571), (1547, 6463), (1967, 5083), (2093, 4777), (2737, 3653)]