83868981

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{128831}}^1$

素因数の和:128872

約数の個数: 16

約数和(自身を含む): 131923968

約数和(自身を除く): 48054987

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 128831, 386493, 901817, 2705451, 3993761, 11981283, 27956327, 83868981]

約数ペア:

[(1, 83868981), (3, 27956327), (7, 11981283), (21, 3993761), (31, 2705451), (93, 901817), (217, 386493), (651, 128831)]