28247937

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 38433600

約数和(自身を除く): 10185663

約数列:

[1, 3, 67, 201, 313, 449, 939, 1347, 20971, 30083, 62913, 90249, 140537, 421611, 9415979, 28247937]

約数ペア:

[(1, 28247937), (3, 9415979), (67, 421611), (201, 140537), (313, 90249), (449, 62913), (939, 30083), (1347, 20971)]