780087

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 1310848

約数和(自身を除く): 530761

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 307, 363, 847, 921, 2149, 2541, 3377, 6447, 10131, 23639, 37147, 70917, 111441, 260029, 780087]

約数ペア:

[(1, 780087), (3, 260029), (7, 111441), (11, 70917), (21, 37147), (33, 23639), (77, 10131), (121, 6447), (231, 3377), (307, 2541), (363, 2149), (847, 921)]