68694015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9521}}^1$

素因数の和:9579

約数の個数: 32

約数和(自身を含む): 121576896

約数和(自身を除く): 52882881

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 9521, 28563, 47605, 123773, 142815, 352277, 371319, 618865, 1056831, 1761385, 1856595, 4579601, 5284155, 13738803, 22898005, 68694015]

約数ペア:

[(1, 68694015), (3, 22898005), (5, 13738803), (13, 5284155), (15, 4579601), (37, 1856595), (39, 1761385), (65, 1056831), (111, 618865), (185, 371319), (195, 352277), (481, 142815), (555, 123773), (1443, 47605), (2405, 28563), (7215, 9521)]