28735707

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 52399872

約数和(自身を除く): 23664165

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1367, 1617, 1911, 3003, 4101, 7007, 9569, 15037, 17771, 21021, 28707, 45111, 53313, 66983, 105259, 124397, 195481, 200949, 315777, 373191, 586443, 736813, 870779, 1368367, 2210439, 2612337, 4105101, 9578569, 28735707]

約数ペア:

[(1, 28735707), (3, 9578569), (7, 4105101), (11, 2612337), (13, 2210439), (21, 1368367), (33, 870779), (39, 736813), (49, 586443), (77, 373191), (91, 315777), (143, 200949), (147, 195481), (231, 124397), (273, 105259), (429, 66983), (539, 53313), (637, 45111), (1001, 28707), (1367, 21021), (1617, 17771), (1911, 15037), (3003, 9569), (4101, 7007)]