31223181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 16386675

約数列:

[1, 3, 11, 33, 41, 47, 123, 141, 451, 491, 517, 1353, 1473, 1551, 1927, 5401, 5781, 16203, 20131, 21197, 23077, 60393, 63591, 69231, 221441, 253847, 664323, 761541, 946157, 2838471, 10407727, 31223181]

約数ペア:

[(1, 31223181), (3, 10407727), (11, 2838471), (33, 946157), (41, 761541), (47, 664323), (123, 253847), (141, 221441), (451, 69231), (491, 63591), (517, 60393), (1353, 23077), (1473, 21197), (1551, 20131), (1927, 16203), (5401, 5781)]