42162039

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:1988

約数の個数: 20

約数和(自身を含む): 63222016

約数和(自身を除く): 21059977

約数列:

[1, 3, 9, 27, 81, 313, 939, 1663, 2817, 4989, 8451, 14967, 25353, 44901, 134703, 520519, 1561557, 4684671, 14054013, 42162039]

約数ペア:

[(1, 42162039), (3, 14054013), (9, 4684671), (27, 1561557), (81, 520519), (313, 134703), (939, 44901), (1663, 25353), (2817, 14967), (4989, 8451)]