15997121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 19375104

約数和(自身を除く): 3377983

約数列:

[1, 7, 23, 67, 161, 469, 1483, 1541, 10381, 10787, 34109, 99361, 238763, 695527, 2285303, 15997121]

約数ペア:

[(1, 15997121), (7, 2285303), (23, 695527), (67, 238763), (161, 99361), (469, 34109), (1483, 10787), (1541, 10381)]