9908973

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1806

約数の個数: 20

約数和(自身を含む): 15019488

約数和(自身を除く): 5110515

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1723, 1917, 5169, 5751, 15507, 46521, 122333, 139563, 366999, 1100997, 3302991, 9908973]

約数ペア:

[(1, 9908973), (3, 3302991), (9, 1100997), (27, 366999), (71, 139563), (81, 122333), (213, 46521), (639, 15507), (1723, 5751), (1917, 5169)]