248071239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{111593}}^1$

素因数の和:111631

約数の個数: 24

約数和(自身を含む): 406202160

約数和(自身を除く): 158130921

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 111593, 334779, 1004337, 1450709, 2120267, 4352127, 6360801, 13056381, 19082403, 27563471, 82690413, 248071239]

約数ペア:

[(1, 248071239), (3, 82690413), (9, 27563471), (13, 19082403), (19, 13056381), (39, 6360801), (57, 4352127), (117, 2120267), (171, 1450709), (247, 1004337), (741, 334779), (2223, 111593)]