28198863

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5813}}^1$

素因数の和:5844

約数の個数: 36

約数和(自身を含む): 51698088

約数和(自身を除く): 23499225

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 5813, 17439, 40691, 52317, 63943, 122073, 191829, 284837, 366219, 447601, 575487, 854511, 1342803, 2563533, 3133207, 4028409, 9399621, 28198863]

約数ペア:

[(1, 28198863), (3, 9399621), (7, 4028409), (9, 3133207), (11, 2563533), (21, 1342803), (33, 854511), (49, 575487), (63, 447601), (77, 366219), (99, 284837), (147, 191829), (231, 122073), (441, 63943), (539, 52317), (693, 40691), (1617, 17439), (4851, 5813)]