13138521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 20072448

約数和(自身を除く): 6933927

約数列:

[1, 3, 11, 33, 43, 47, 129, 141, 197, 473, 517, 591, 1419, 1551, 2021, 2167, 6063, 6501, 8471, 9259, 22231, 25413, 27777, 66693, 93181, 101849, 279543, 305547, 398137, 1194411, 4379507, 13138521]

約数ペア:

[(1, 13138521), (3, 4379507), (11, 1194411), (33, 398137), (43, 305547), (47, 279543), (129, 101849), (141, 93181), (197, 66693), (473, 27777), (517, 25413), (591, 22231), (1419, 9259), (1551, 8471), (2021, 6501), (2167, 6063)]