39957729

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61379}}^1$

素因数の和:61420

約数の個数: 16

約数和(自身を含む): 62853120

約数和(自身を除く): 22895391

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 61379, 184137, 429653, 1288959, 1902749, 5708247, 13319243, 39957729]

約数ペア:

[(1, 39957729), (3, 13319243), (7, 5708247), (21, 1902749), (31, 1288959), (93, 429653), (217, 184137), (651, 61379)]