42668559

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{2287}}^1$

素因数の和:2987

約数の個数: 16

約数和(自身を含む): 63331840

約数和(自身を除く): 20663281

約数列:

[1, 3, 9, 27, 691, 2073, 2287, 6219, 6861, 18657, 20583, 61749, 1580317, 4740951, 14222853, 42668559]

約数ペア:

[(1, 42668559), (3, 14222853), (9, 4740951), (27, 1580317), (691, 61749), (2073, 20583), (2287, 18657), (6219, 6861)]