27720245

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11821}}^1$

素因数の和:11900

約数の個数: 16

約数和(自身を含む): 38587008

約数和(自身を除く): 10866763

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 11821, 59105, 82747, 413735, 792007, 3960035, 5544049, 27720245]

約数ペア:

[(1, 27720245), (5, 5544049), (7, 3960035), (35, 792007), (67, 413735), (335, 82747), (469, 59105), (2345, 11821)]