42574491

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{2357}}^1$

素因数の和:2592

約数の個数: 20

約数和(自身を含む): 63911232

約数和(自身を除く): 21336741

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 2357, 6021, 7071, 18063, 21213, 63639, 190917, 525611, 1576833, 4730499, 14191497, 42574491]

約数ペア:

[(1, 42574491), (3, 14191497), (9, 4730499), (27, 1576833), (81, 525611), (223, 190917), (669, 63639), (2007, 21213), (2357, 18063), (6021, 7071)]