28168641

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5701}}^1$

素因数の和:5774

約数の個数: 20

約数和(自身を含む): 42776404

約数和(自身を除く): 14607763

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5701, 17103, 51309, 153927, 347761, 461781, 1043283, 3129849, 9389547, 28168641]

約数ペア:

[(1, 28168641), (3, 9389547), (9, 3129849), (27, 1043283), (61, 461781), (81, 347761), (183, 153927), (549, 51309), (1647, 17103), (4941, 5701)]