66905205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 111919104

約数和(自身を除く): 45013899

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 2207, 6063, 6621, 10105, 11035, 30315, 33105, 94901, 103729, 284703, 311187, 474505, 518645, 1423515, 1555935, 4460347, 13381041, 22301735, 66905205]

約数ペア:

[(1, 66905205), (3, 22301735), (5, 13381041), (15, 4460347), (43, 1555935), (47, 1423515), (129, 518645), (141, 474505), (215, 311187), (235, 284703), (645, 103729), (705, 94901), (2021, 33105), (2207, 30315), (6063, 11035), (6621, 10105)]