263755197

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{16363}}^1$

素因数の和:16574

約数の個数: 20

約数和(自身を含む): 396008800

約数和(自身を除く): 132253603

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 16119, 16363, 49089, 147267, 441801, 1325403, 3256237, 9768711, 29306133, 87918399, 263755197]

約数ペア:

[(1, 263755197), (3, 87918399), (9, 29306133), (27, 9768711), (81, 3256237), (199, 1325403), (597, 441801), (1791, 147267), (5373, 49089), (16119, 16363)]