13639689

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 23181444

約数和(自身を除く): 9541755

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 197, 441, 471, 591, 1099, 1379, 1413, 1773, 3297, 4137, 7693, 9653, 9891, 12411, 23079, 28959, 30929, 69237, 86877, 92787, 216503, 278361, 649509, 1515521, 1948527, 4546563, 13639689]

約数ペア:

[(1, 13639689), (3, 4546563), (7, 1948527), (9, 1515521), (21, 649509), (49, 278361), (63, 216503), (147, 92787), (157, 86877), (197, 69237), (441, 30929), (471, 28959), (591, 23079), (1099, 12411), (1379, 9891), (1413, 9653), (1773, 7693), (3297, 4137)]