66620223

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 98426016

約数和(自身を除く): 31805793

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 761, 1233, 2283, 6849, 9727, 29181, 54031, 87543, 104257, 162093, 312771, 486279, 938313, 7402247, 22206741, 66620223]

約数ペア:

[(1, 66620223), (3, 22206741), (9, 7402247), (71, 938313), (137, 486279), (213, 312771), (411, 162093), (639, 104257), (761, 87543), (1233, 54031), (2283, 29181), (6849, 9727)]