19960209

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5821}}^1$

素因数の和:5957

約数の個数: 16

約数和(自身を含む): 29808640

約数和(自身を除く): 9848431

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5821, 17463, 52389, 157167, 739267, 2217801, 6653403, 19960209]

約数ペア:

[(1, 19960209), (3, 6653403), (9, 2217801), (27, 739267), (127, 157167), (381, 52389), (1143, 17463), (3429, 5821)]