28858731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 14479509

約数列:

[1, 3, 11, 33, 71, 109, 113, 213, 327, 339, 781, 1199, 1243, 2343, 3597, 3729, 7739, 8023, 12317, 23217, 24069, 36951, 85129, 88253, 135487, 255387, 264759, 406461, 874507, 2623521, 9619577, 28858731]

約数ペア:

[(1, 28858731), (3, 9619577), (11, 2623521), (33, 874507), (71, 406461), (109, 264759), (113, 255387), (213, 135487), (327, 88253), (339, 85129), (781, 36951), (1199, 24069), (1243, 23217), (2343, 12317), (3597, 8023), (3729, 7739)]