31089267

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4423}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 49690368

約数和(自身を除く): 18601101

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4423, 7029, 13269, 39807, 48653, 145959, 314033, 437877, 942099, 2826297, 3454363, 10363089, 31089267]

約数ペア:

[(1, 31089267), (3, 10363089), (9, 3454363), (11, 2826297), (33, 942099), (71, 437877), (99, 314033), (213, 145959), (639, 48653), (781, 39807), (2343, 13269), (4423, 7029)]