66819249

素因数分解:

$3^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 114859008

約数和(自身を除く): 48039759

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 191, 567, 573, 617, 1337, 1719, 1851, 4011, 4319, 5157, 5553, 12033, 12957, 15471, 16659, 36099, 38871, 49977, 108297, 116613, 117847, 349839, 353541, 824929, 1060623, 2474787, 3181869, 7424361, 9545607, 22273083, 66819249]

約数ペア:

[(1, 66819249), (3, 22273083), (7, 9545607), (9, 7424361), (21, 3181869), (27, 2474787), (63, 1060623), (81, 824929), (189, 353541), (191, 349839), (567, 117847), (573, 116613), (617, 108297), (1337, 49977), (1719, 38871), (1851, 36099), (4011, 16659), (4319, 15471), (5157, 12957), (5553, 12033)]