215686939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{42433}}^1$

素因数の和:42486

約数の個数: 16

約数和(自身を含む): 256640832

約数和(自身を除く): 40953893

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 42433, 551629, 721361, 975959, 9377693, 12687467, 16591303, 215686939]

約数ペア:

[(1, 215686939), (13, 16591303), (17, 12687467), (23, 9377693), (221, 975959), (299, 721361), (391, 551629), (5083, 42433)]