851805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 1542528

約数和(自身を除く): 690723

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 823, 1035, 2469, 4115, 7407, 12345, 18929, 37035, 56787, 94645, 170361, 283935, 851805]

約数ペア:

[(1, 851805), (3, 283935), (5, 170361), (9, 94645), (15, 56787), (23, 37035), (45, 18929), (69, 12345), (115, 7407), (207, 4115), (345, 2469), (823, 1035)]