393973905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{4799}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 680601600

約数和(自身を除く): 286627695

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 421, 1263, 2105, 4799, 5473, 6315, 14397, 16419, 23995, 27365, 62387, 71985, 82095, 187161, 311935, 935805, 2020379, 6061137, 10101895, 26264927, 30305685, 78794781, 131324635, 393973905]

約数ペア:

[(1, 393973905), (3, 131324635), (5, 78794781), (13, 30305685), (15, 26264927), (39, 10101895), (65, 6061137), (195, 2020379), (421, 935805), (1263, 311935), (2105, 187161), (4799, 82095), (5473, 71985), (6315, 62387), (14397, 27365), (16419, 23995)]