128087979

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 182770608

約数和(自身を除く): 54682629

約数列:

[1, 3, 17, 51, 157, 289, 471, 867, 941, 2669, 2823, 8007, 15997, 45373, 47991, 136119, 147737, 271949, 443211, 815847, 2511529, 7534587, 42695993, 128087979]

約数ペア:

[(1, 128087979), (3, 42695993), (17, 7534587), (51, 2511529), (157, 815847), (289, 443211), (471, 271949), (867, 147737), (941, 136119), (2669, 47991), (2823, 45373), (8007, 15997)]