311916393

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 474193920

約数和(自身を除く): 162277527

約数列:

[1, 3, 9, 27, 47, 141, 271, 423, 813, 907, 1269, 2439, 2721, 7317, 8163, 12737, 24489, 38211, 42629, 114633, 127887, 245797, 343899, 383661, 737391, 1150983, 2212173, 6636519, 11552459, 34657377, 103972131, 311916393]

約数ペア:

[(1, 311916393), (3, 103972131), (9, 34657377), (27, 11552459), (47, 6636519), (141, 2212173), (271, 1150983), (423, 737391), (813, 383661), (907, 343899), (1269, 245797), (2439, 127887), (2721, 114633), (7317, 42629), (8163, 38211), (12737, 24489)]