128517867

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{43669}}^1$

素因数の和:43787

約数の個数: 16

約数和(自身を含む): 192148000

約数和(自身を除く): 63630133

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 43669, 131007, 393021, 1179063, 4759921, 14279763, 42839289, 128517867]

約数ペア:

[(1, 128517867), (3, 42839289), (9, 14279763), (27, 4759921), (109, 1179063), (327, 393021), (981, 131007), (2943, 43669)]