42129909

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{21977}}^1$

素因数の和:22057

約数の個数: 16

約数和(自身を含む): 63296640

約数和(自身を除く): 21166731

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 21977, 65931, 197793, 593379, 1560367, 4681101, 14043303, 42129909]

約数ペア:

[(1, 42129909), (3, 14043303), (9, 4681101), (27, 1560367), (71, 593379), (213, 197793), (639, 65931), (1917, 21977)]