78127749

素因数分解:

$3^2\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{1217}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 129205440

約数和(自身を除く): 51077691

約数列:

[1, 3, 7, 9, 21, 63, 1019, 1217, 3057, 3651, 7133, 8519, 9171, 10953, 21399, 25557, 64197, 76671, 1240123, 3720369, 8680861, 11161107, 26042583, 78127749]

約数ペア:

[(1, 78127749), (3, 26042583), (7, 11161107), (9, 8680861), (21, 3720369), (63, 1240123), (1019, 76671), (1217, 64197), (3057, 25557), (3651, 21399), (7133, 10953), (8519, 9171)]