66144681

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{42979}}^1$

素因数の和:43010

約数の個数: 20

約数和(自身を含む): 104011600

約数和(自身を除く): 37866919

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 42979, 128937, 386811, 816601, 1160433, 2449803, 3481299, 7349409, 22048227, 66144681]

約数ペア:

[(1, 66144681), (3, 22048227), (9, 7349409), (19, 3481299), (27, 2449803), (57, 1160433), (81, 816601), (171, 386811), (513, 128937), (1539, 42979)]