220713087

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 349138944

約数和(自身を除く): 128425857

約数列:

[1, 3, 7, 21, 31, 93, 197, 217, 591, 651, 1379, 1721, 4137, 5163, 6107, 12047, 18321, 36141, 42749, 53351, 128247, 160053, 339037, 373457, 1017111, 1120371, 2373259, 7119777, 10510147, 31530441, 73571029, 220713087]

約数ペア:

[(1, 220713087), (3, 73571029), (7, 31530441), (21, 10510147), (31, 7119777), (93, 2373259), (197, 1120371), (217, 1017111), (591, 373457), (651, 339037), (1379, 160053), (1721, 128247), (4137, 53351), (5163, 42749), (6107, 36141), (12047, 18321)]