28102767

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 49450752

約数和(自身を除く): 21347985

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 337, 361, 399, 627, 1011, 1083, 1463, 2359, 2527, 3707, 3971, 4389, 6403, 7077, 7581, 11121, 11913, 19209, 25949, 27797, 44821, 70433, 77847, 83391, 121657, 134463, 211299, 364971, 493031, 851599, 1338227, 1479093, 2554797, 4014681, 9367589, 28102767]

約数ペア:

[(1, 28102767), (3, 9367589), (7, 4014681), (11, 2554797), (19, 1479093), (21, 1338227), (33, 851599), (57, 493031), (77, 364971), (133, 211299), (209, 134463), (231, 121657), (337, 83391), (361, 77847), (399, 70433), (627, 44821), (1011, 27797), (1083, 25949), (1463, 19209), (2359, 11913), (2527, 11121), (3707, 7581), (3971, 7077), (4389, 6403)]