42138009

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{21379}}^1$

素因数の和:21461

約数の個数: 16

約数和(自身を含む): 63284800

約数和(自身を除く): 21146791

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 21379, 64137, 192411, 577233, 1560667, 4682001, 14046003, 42138009]

約数ペア:

[(1, 42138009), (3, 14046003), (9, 4682001), (27, 1560667), (73, 577233), (219, 192411), (657, 64137), (1971, 21379)]