66978477

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9109}}^1$

素因数の和:9177

約数の個数: 24

約数和(自身を含む): 104218400

約数和(自身を除く): 37239923

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 9109, 27327, 81981, 173071, 391687, 519213, 1175061, 1557639, 3525183, 7442053, 22326159, 66978477]

約数ペア:

[(1, 66978477), (3, 22326159), (9, 7442053), (19, 3525183), (43, 1557639), (57, 1175061), (129, 519213), (171, 391687), (387, 173071), (817, 81981), (2451, 27327), (7353, 9109)]