9999885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 18450432

約数和(自身を除く): 8450547

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 727, 917, 1965, 2181, 2751, 3635, 4585, 5089, 10905, 13755, 15267, 25445, 76335, 95237, 285711, 476185, 666659, 1428555, 1999977, 3333295, 9999885]

約数ペア:

[(1, 9999885), (3, 3333295), (5, 1999977), (7, 1428555), (15, 666659), (21, 476185), (35, 285711), (105, 95237), (131, 76335), (393, 25445), (655, 15267), (727, 13755), (917, 10905), (1965, 5089), (2181, 4585), (2751, 3635)]