1998993081

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{26633}}^1$

素因数の和:26960

約数の個数: 16

約数和(自身を含む): 2700048384

約数和(自身を除く): 701055303

約数列:

[1, 3, 127, 197, 381, 591, 25019, 26633, 75057, 79899, 3382391, 5246701, 10147173, 15740103, 666331027, 1998993081]

約数ペア:

[(1, 1998993081), (3, 666331027), (127, 15740103), (197, 10147173), (381, 5246701), (591, 3382391), (25019, 79899), (26633, 75057)]