40517997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 61235328

約数和(自身を除く): 20717331

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 653, 1443, 1591, 1677, 1959, 4773, 8489, 20683, 24161, 25467, 28079, 62049, 72483, 84237, 314093, 365027, 942279, 1038923, 1095081, 3116769, 13505999, 40517997]

約数ペア:

[(1, 40517997), (3, 13505999), (13, 3116769), (37, 1095081), (39, 1038923), (43, 942279), (111, 365027), (129, 314093), (481, 84237), (559, 72483), (653, 62049), (1443, 28079), (1591, 25467), (1677, 24161), (1959, 20683), (4773, 8489)]