831138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 2117664

約数和(自身を除く): 1286526

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 257, 294, 462, 514, 539, 771, 1078, 1542, 1617, 1799, 2827, 3234, 3598, 5397, 5654, 8481, 10794, 12593, 16962, 19789, 25186, 37779, 39578, 59367, 75558, 118734, 138523, 277046, 415569, 831138]

約数ペア:

[(1, 831138), (2, 415569), (3, 277046), (6, 138523), (7, 118734), (11, 75558), (14, 59367), (21, 39578), (22, 37779), (33, 25186), (42, 19789), (49, 16962), (66, 12593), (77, 10794), (98, 8481), (147, 5654), (154, 5397), (231, 3598), (257, 3234), (294, 2827), (462, 1799), (514, 1617), (539, 1542), (771, 1078)]