291211121109

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{2558321}}^1$

素因数の和:2560340

約数の個数: 16

約数和(自身を含む): 408922188480

約数和(自身を除く): 117711067371

約数列:

[1, 3, 19, 57, 1997, 5991, 37943, 113829, 2558321, 7674963, 48608099, 145824297, 5108967037, 15326901111, 97070373703, 291211121109]

約数ペア:

[(1, 291211121109), (3, 97070373703), (19, 15326901111), (57, 5108967037), (1997, 145824297), (5991, 48608099), (37943, 7674963), (113829, 2558321)]