620049939

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 882524160

約数和(自身を除く): 262474221

約数列:

[1, 3, 23, 59, 69, 177, 223, 669, 683, 1357, 2049, 4071, 5129, 13157, 15387, 15709, 39471, 40297, 47127, 120891, 152309, 302611, 456927, 907833, 926831, 2780493, 3503107, 8986231, 10509321, 26958693, 206683313, 620049939]

約数ペア:

[(1, 620049939), (3, 206683313), (23, 26958693), (59, 10509321), (69, 8986231), (177, 3503107), (223, 2780493), (669, 926831), (683, 907833), (1357, 456927), (2049, 302611), (4071, 152309), (5129, 120891), (13157, 47127), (15387, 40297), (15709, 39471)]