639211089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{33923}}^1$

素因数の和:34508

約数の個数: 16

約数和(自身を含む): 931417344

約数和(自身を除く): 292206255

約数列:

[1, 3, 11, 33, 571, 1713, 6281, 18843, 33923, 101769, 373153, 1119459, 19370033, 58110099, 213070363, 639211089]

約数ペア:

[(1, 639211089), (3, 213070363), (11, 58110099), (33, 19370033), (571, 1119459), (1713, 373153), (6281, 101769), (18843, 33923)]