217139811

素因数分解:

$3^1\times 7^1\times {\mathrm{2843}}^1\times {\mathrm{3637}}^1$

素因数の和:6490

約数の個数: 16

約数和(自身を含む): 331087104

約数和(自身を除く): 113947293

約数列:

[1, 3, 7, 21, 2843, 3637, 8529, 10911, 19901, 25459, 59703, 76377, 10339991, 31019973, 72379937, 217139811]

約数ペア:

[(1, 217139811), (3, 72379937), (7, 31019973), (21, 10339991), (2843, 76377), (3637, 59703), (8529, 25459), (10911, 19901)]