2861013987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{189559}}^1$

素因数の和:189624

約数の個数: 32

約数和(自身を含む): 4670758400

約数和(自身を除く): 1809744413

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 189559, 568677, 1706031, 2464267, 5118093, 7392801, 8151037, 22178403, 24453111, 66535209, 73359333, 105963481, 220077999, 317890443, 953671329, 2861013987]

約数ペア:

[(1, 2861013987), (3, 953671329), (9, 317890443), (13, 220077999), (27, 105963481), (39, 73359333), (43, 66535209), (117, 24453111), (129, 22178403), (351, 8151037), (387, 7392801), (559, 5118093), (1161, 2464267), (1677, 1706031), (5031, 568677), (15093, 189559)]