279248385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{30469}}^1$

素因数の和:30537

約数の個数: 32

約数和(自身を含む): 491420160

約数和(自身を除く): 212171775

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 30469, 91407, 152345, 396097, 457035, 1188291, 1432043, 1980485, 4296129, 5941455, 7160215, 18616559, 21480645, 55849677, 93082795, 279248385]

約数ペア:

[(1, 279248385), (3, 93082795), (5, 55849677), (13, 21480645), (15, 18616559), (39, 7160215), (47, 5941455), (65, 4296129), (141, 1980485), (195, 1432043), (235, 1188291), (611, 457035), (705, 396097), (1833, 152345), (3055, 91407), (9165, 30469)]