217888905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117379}}^1$

素因数の和:1117400

約数の個数: 16

約数和(自身を含む): 375439680

約数和(自身を除く): 157550775

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1117379, 3352137, 5586895, 14525927, 16760685, 43577781, 72629635, 217888905]

約数ペア:

[(1, 217888905), (3, 72629635), (5, 43577781), (13, 16760685), (15, 14525927), (39, 5586895), (65, 3352137), (195, 1117379)]