17980493877

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1297}}^1\times {\mathrm{81071}}^1$

素因数の和:82393

約数の個数: 24

約数和(自身を含む): 27360178560

約数和(自身を除く): 9379684683

約数列:

[1, 3, 9, 19, 57, 171, 1297, 3891, 11673, 24643, 73929, 81071, 221787, 243213, 729639, 1540349, 4621047, 13863141, 105149087, 315447261, 946341783, 1997832653, 5993497959, 17980493877]

約数ペア:

[(1, 17980493877), (3, 5993497959), (9, 1997832653), (19, 946341783), (57, 315447261), (171, 105149087), (1297, 13863141), (3891, 4621047), (11673, 1540349), (24643, 729639), (73929, 243213), (81071, 221787)]