7785153

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:666

約数の個数: 20

約数和(自身を含む): 11708928

約数和(自身を除く): 3923775

約数列:

[1, 3, 9, 27, 81, 223, 431, 669, 1293, 2007, 3879, 6021, 11637, 18063, 34911, 96113, 288339, 865017, 2595051, 7785153]

約数ペア:

[(1, 7785153), (3, 2595051), (9, 865017), (27, 288339), (81, 96113), (223, 34911), (431, 18063), (669, 11637), (1293, 6021), (2007, 3879)]