20161167

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 11191665

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 647, 663, 799, 1833, 1941, 2397, 8411, 10387, 10999, 25233, 30409, 31161, 32997, 91227, 142987, 395317, 428961, 516953, 1185951, 1550859, 6720389, 20161167]

約数ペア:

[(1, 20161167), (3, 6720389), (13, 1550859), (17, 1185951), (39, 516953), (47, 428961), (51, 395317), (141, 142987), (221, 91227), (611, 32997), (647, 31161), (663, 30409), (799, 25233), (1833, 10999), (1941, 10387), (2397, 8411)]