128219457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 190045440

約数和(自身を除く): 61825983

約数列:

[1, 3, 17, 23, 51, 69, 281, 389, 391, 843, 1167, 1173, 4777, 6463, 6613, 8947, 14331, 19389, 19839, 26841, 109309, 109871, 152099, 327927, 329613, 456297, 1858253, 2514107, 5574759, 7542321, 42739819, 128219457]

約数ペア:

[(1, 128219457), (3, 42739819), (17, 7542321), (23, 5574759), (51, 2514107), (69, 1858253), (281, 456297), (389, 329613), (391, 327927), (843, 152099), (1167, 109871), (1173, 109309), (4777, 26841), (6463, 19839), (6613, 19389), (8947, 14331)]