87241959

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6563}}^1$

素因数の和:6787

約数の個数: 24

約数和(自身を含む): 144723072

約数和(自身を除く): 57481113

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 6563, 13293, 19689, 45941, 59067, 137823, 413469, 1384793, 4154379, 9693551, 12463137, 29080653, 87241959]

約数ペア:

[(1, 87241959), (3, 29080653), (7, 12463137), (9, 9693551), (21, 4154379), (63, 1384793), (211, 413469), (633, 137823), (1477, 59067), (1899, 45941), (4431, 19689), (6563, 13293)]