255280641

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3359}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 441262080

約数和(自身を除く): 185981439

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 329, 517, 539, 987, 1551, 1617, 2303, 3359, 3619, 6909, 10077, 10857, 23513, 25333, 36949, 70539, 75999, 110847, 157873, 164591, 258643, 473619, 493773, 775929, 1105111, 1736603, 1810501, 3315333, 5209809, 5431503, 7735777, 12156221, 23207331, 36468663, 85093547, 255280641]

約数ペア:

[(1, 255280641), (3, 85093547), (7, 36468663), (11, 23207331), (21, 12156221), (33, 7735777), (47, 5431503), (49, 5209809), (77, 3315333), (141, 1810501), (147, 1736603), (231, 1105111), (329, 775929), (517, 493773), (539, 473619), (987, 258643), (1551, 164591), (1617, 157873), (2303, 110847), (3359, 75999), (3619, 70539), (6909, 36949), (10077, 25333), (10857, 23513)]