156939321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2213}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 261854208

約数和(自身を除く): 104914887

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 307, 921, 2149, 2213, 3377, 6447, 6639, 10131, 15491, 23639, 24343, 46473, 70917, 73029, 170401, 511203, 679391, 2038173, 4755737, 7473301, 14267211, 22419903, 52313107, 156939321]

約数ペア:

[(1, 156939321), (3, 52313107), (7, 22419903), (11, 14267211), (21, 7473301), (33, 4755737), (77, 2038173), (231, 679391), (307, 511203), (921, 170401), (2149, 73029), (2213, 70917), (3377, 46473), (6447, 24343), (6639, 23639), (10131, 15491)]