231640269

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3737

約数の個数: 32

約数和(自身を含む): 366372864

約数和(自身を除く): 134732595

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 903, 1491, 3053, 3613, 9159, 10839, 21371, 25291, 64113, 75873, 155359, 256523, 466077, 769569, 1087513, 1795661, 3262539, 5386983, 11030489, 33091467, 77213423, 231640269]

約数ペア:

[(1, 231640269), (3, 77213423), (7, 33091467), (21, 11030489), (43, 5386983), (71, 3262539), (129, 1795661), (213, 1087513), (301, 769569), (497, 466077), (903, 256523), (1491, 155359), (3053, 75873), (3613, 64113), (9159, 25291), (10839, 21371)]