20171728197

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{82301}}^1$

素因数の和:82661

約数の個数: 24

約数和(自身を含む): 29517118488

約数和(自身を除く): 9345390291

約数列:

[1, 3, 9, 113, 241, 339, 723, 1017, 2169, 27233, 81699, 82301, 245097, 246903, 740709, 9300013, 19834541, 27900039, 59503623, 83700117, 178510869, 2241303133, 6723909399, 20171728197]

約数ペア:

[(1, 20171728197), (3, 6723909399), (9, 2241303133), (113, 178510869), (241, 83700117), (339, 59503623), (723, 27900039), (1017, 19834541), (2169, 9300013), (27233, 740709), (81699, 246903), (82301, 245097)]