79997949

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{31859}}^1$

素因数の和:31902

約数の個数: 20

約数和(自身を含む): 123361920

約数和(自身を除く): 43363971

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 31859, 95577, 286731, 860193, 987629, 2580579, 2962887, 8888661, 26665983, 79997949]

約数ペア:

[(1, 79997949), (3, 26665983), (9, 8888661), (27, 2962887), (31, 2580579), (81, 987629), (93, 860193), (279, 286731), (837, 95577), (2511, 31859)]