1247163777

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{650581}}^1$

素因数の和:650661

約数の個数: 16

約数和(自身を含む): 1873676160

約数和(自身を除く): 626512383

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 650581, 1951743, 5855229, 17565687, 46191251, 138573753, 415721259, 1247163777]

約数ペア:

[(1, 1247163777), (3, 415721259), (9, 138573753), (27, 46191251), (71, 17565687), (213, 5855229), (639, 1951743), (1917, 650581)]