66753729

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 112824660

約数和(自身を除く): 46070931

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 661, 687, 1603, 1983, 2061, 4627, 4809, 5949, 11221, 13881, 14427, 32389, 33663, 41643, 97167, 100989, 151369, 291501, 454107, 1059583, 1362321, 3178749, 7417081, 9536247, 22251243, 66753729]

約数ペア:

[(1, 66753729), (3, 22251243), (7, 9536247), (9, 7417081), (21, 3178749), (49, 1362321), (63, 1059583), (147, 454107), (229, 291501), (441, 151369), (661, 100989), (687, 97167), (1603, 41643), (1983, 33663), (2061, 32389), (4627, 14427), (4809, 13881), (5949, 11221)]