66780738

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{7121}}^1$

素因数の和:7650

約数の個数: 24

約数和(自身を含む): 144989676

約数和(自身を除く): 78208938

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 3126, 4689, 7121, 9378, 14242, 21363, 42726, 64089, 128178, 3710041, 7420082, 11130123, 22260246, 33390369, 66780738]

約数ペア:

[(1, 66780738), (2, 33390369), (3, 22260246), (6, 11130123), (9, 7420082), (18, 3710041), (521, 128178), (1042, 64089), (1563, 42726), (3126, 21363), (4689, 14242), (7121, 9378)]