28418973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 14546019

約数列:

[1, 3, 11, 33, 47, 73, 141, 219, 251, 517, 753, 803, 1551, 2409, 2761, 3431, 8283, 10293, 11797, 18323, 35391, 37741, 54969, 113223, 129767, 201553, 389301, 604659, 861181, 2583543, 9472991, 28418973]

約数ペア:

[(1, 28418973), (3, 9472991), (11, 2583543), (33, 861181), (47, 604659), (73, 389301), (141, 201553), (219, 129767), (251, 113223), (517, 54969), (753, 37741), (803, 35391), (1551, 18323), (2409, 11797), (2761, 10293), (3431, 8283)]