261423801

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 392970240

約数和(自身を除く): 131546439

約数列:

[1, 3, 9, 27, 163, 191, 311, 489, 573, 933, 1467, 1719, 2799, 4401, 5157, 8397, 31133, 50693, 59401, 93399, 152079, 178203, 280197, 456237, 534609, 840591, 1368711, 1603827, 9682363, 29047089, 87141267, 261423801]

約数ペア:

[(1, 261423801), (3, 87141267), (9, 29047089), (27, 9682363), (163, 1603827), (191, 1368711), (311, 840591), (489, 534609), (573, 456237), (933, 280197), (1467, 178203), (1719, 152079), (2799, 93399), (4401, 59401), (5157, 50693), (8397, 31133)]