159431139

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^2$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 276272640

約数和(自身を除く): 116841501

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 109, 189, 213, 327, 497, 639, 763, 981, 1491, 1917, 2289, 2943, 4473, 6867, 7739, 11881, 13419, 20601, 23217, 35643, 54173, 69651, 83167, 106929, 162519, 208953, 249501, 320787, 487557, 748503, 843551, 1462671, 2245509, 2530653, 5904857, 7591959, 17714571, 22775877, 53143713, 159431139]

約数ペア:

[(1, 159431139), (3, 53143713), (7, 22775877), (9, 17714571), (21, 7591959), (27, 5904857), (63, 2530653), (71, 2245509), (109, 1462671), (189, 843551), (213, 748503), (327, 487557), (497, 320787), (639, 249501), (763, 208953), (981, 162519), (1491, 106929), (1917, 83167), (2289, 69651), (2943, 54173), (4473, 35643), (6867, 23217), (7739, 20601), (11881, 13419)]