28603113

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 60

約数和(自身を含む): 51224688

約数和(自身を除く): 22621575

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 343, 361, 399, 539, 627, 931, 1029, 1083, 1463, 1617, 2401, 2527, 2793, 3773, 3971, 4389, 6517, 7203, 7581, 10241, 11319, 11913, 17689, 19551, 26411, 27797, 30723, 45619, 53067, 71687, 79233, 83391, 123823, 136857, 194579, 215061, 371469, 501809, 583737, 866761, 1362053, 1505427, 2600283, 4086159, 9534371, 28603113]

約数ペア:

[(1, 28603113), (3, 9534371), (7, 4086159), (11, 2600283), (19, 1505427), (21, 1362053), (33, 866761), (49, 583737), (57, 501809), (77, 371469), (133, 215061), (147, 194579), (209, 136857), (231, 123823), (343, 83391), (361, 79233), (399, 71687), (539, 53067), (627, 45619), (931, 30723), (1029, 27797), (1083, 26411), (1463, 19551), (1617, 17689), (2401, 11913), (2527, 11319), (2793, 10241), (3773, 7581), (3971, 7203), (4389, 6517)]