247979439

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 377915928

約数和(自身を除く): 129936489

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 443, 1329, 1517, 1681, 3987, 4551, 5043, 13653, 15129, 16391, 18163, 49173, 54489, 62197, 147519, 163467, 186591, 559773, 672031, 744683, 2016093, 2234049, 6048279, 6702147, 27553271, 82659813, 247979439]

約数ペア:

[(1, 247979439), (3, 82659813), (9, 27553271), (37, 6702147), (41, 6048279), (111, 2234049), (123, 2016093), (333, 744683), (369, 672031), (443, 559773), (1329, 186591), (1517, 163467), (1681, 147519), (3987, 62197), (4551, 54489), (5043, 49173), (13653, 18163), (15129, 16391)]