217812345

素因数分解:

$3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{11971}}^1$

素因数の和:13192

約数の個数: 16

約数和(自身を含む): 348816192

約数和(自身を除く): 131003847

約数列:

[1, 3, 5, 15, 1213, 3639, 6065, 11971, 18195, 35913, 59855, 179565, 14520823, 43562469, 72604115, 217812345]

約数ペア:

[(1, 217812345), (3, 72604115), (5, 43562469), (15, 14520823), (1213, 179565), (3639, 59855), (6065, 35913), (11971, 18195)]