213510021

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{2767}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 305919360

約数和(自身を除く): 92409339

約数列:

[1, 3, 17, 51, 89, 267, 289, 867, 1513, 2767, 4539, 8301, 25721, 47039, 77163, 141117, 246263, 738789, 799663, 2398989, 4186471, 12559413, 71170007, 213510021]

約数ペア:

[(1, 213510021), (3, 71170007), (17, 12559413), (51, 4186471), (89, 2398989), (267, 799663), (289, 738789), (867, 246263), (1513, 141117), (2767, 77163), (4539, 47039), (8301, 25721)]