13385817

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9721}}^1$

素因数の和:9750

約数の個数: 20

約数和(自身を含む): 21174516

約数和(自身を除く): 7788699

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9721, 29163, 87489, 165257, 262467, 495771, 787401, 1487313, 4461939, 13385817]

約数ペア:

[(1, 13385817), (3, 4461939), (9, 1487313), (17, 787401), (27, 495771), (51, 262467), (81, 165257), (153, 87489), (459, 29163), (1377, 9721)]