84781905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2207}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 146893824

約数和(自身を除く): 62111919

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 591, 985, 2207, 2561, 2955, 6621, 7683, 11035, 12805, 28691, 33105, 38415, 86073, 143455, 430365, 434779, 1304337, 2173895, 5652127, 6521685, 16956381, 28260635, 84781905]

約数ペア:

[(1, 84781905), (3, 28260635), (5, 16956381), (13, 6521685), (15, 5652127), (39, 2173895), (65, 1304337), (195, 434779), (197, 430365), (591, 143455), (985, 86073), (2207, 38415), (2561, 33105), (2955, 28691), (6621, 12805), (7683, 11035)]