1618821

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 2471040

約数和(自身を除く): 852219

約数列:

[1, 3, 9, 43, 47, 89, 129, 141, 267, 387, 423, 801, 2021, 3827, 4183, 6063, 11481, 12549, 18189, 34443, 37647, 179869, 539607, 1618821]

約数ペア:

[(1, 1618821), (3, 539607), (9, 179869), (43, 37647), (47, 34443), (89, 18189), (129, 12549), (141, 11481), (267, 6063), (387, 4183), (423, 3827), (801, 2021)]