1963821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 2787840

約数和(自身を除く): 824019

約数列:

[1, 3, 19, 57, 131, 263, 393, 789, 2489, 4997, 7467, 14991, 34453, 103359, 654607, 1963821]

約数ペア:

[(1, 1963821), (3, 654607), (19, 103359), (57, 34453), (131, 14991), (263, 7467), (393, 4997), (789, 2489)]