42872139

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{4423}}^1$

素因数の和:4791

約数の個数: 16

約数和(自身を含む): 63705600

約数和(自身を除く): 20833461

約数列:

[1, 3, 9, 27, 359, 1077, 3231, 4423, 9693, 13269, 39807, 119421, 1587857, 4763571, 14290713, 42872139]

約数ペア:

[(1, 42872139), (3, 14290713), (9, 4763571), (27, 1587857), (359, 119421), (1077, 39807), (3231, 13269), (4423, 9693)]