129972921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{21227}}^1$

素因数の和:21400

約数の個数: 16

約数和(自身を含む): 187825344

約数和(自身を除く): 57852423

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 21227, 63681, 275951, 827853, 3332639, 9997917, 43324307, 129972921]

約数ペア:

[(1, 129972921), (3, 43324307), (13, 9997917), (39, 3332639), (157, 827853), (471, 275951), (2041, 63681), (6123, 21227)]