20159901261

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{77241001}}^1$

素因数の和:77241036

約数の個数: 12

約数和(自身を含む): 30123990780

約数和(自身を除く): 9964089519

約数列:

[1, 3, 9, 29, 87, 261, 77241001, 231723003, 695169009, 2239989029, 6719967087, 20159901261]

約数ペア:

[(1, 20159901261), (3, 6719967087), (9, 2239989029), (29, 695169009), (87, 231723003), (261, 77241001)]