28286193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15259407

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 647, 741, 767, 1121, 1941, 2301, 3363, 8411, 12293, 14573, 25233, 36879, 38173, 43719, 114519, 159809, 479427, 496249, 725287, 1488747, 2175861, 9428731, 28286193]

約数ペア:

[(1, 28286193), (3, 9428731), (13, 2175861), (19, 1488747), (39, 725287), (57, 496249), (59, 479427), (177, 159809), (247, 114519), (647, 43719), (741, 38173), (767, 36879), (1121, 25233), (1941, 14573), (2301, 12293), (3363, 8411)]