68683485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20719}}^1$

素因数の和:20757

約数の個数: 32

約数和(自身を含む): 125314560

約数和(自身を除く): 56631075

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20719, 62157, 103595, 269347, 310785, 352223, 808041, 1056669, 1346735, 1761115, 4040205, 4578899, 5283345, 13736697, 22894495, 68683485]

約数ペア:

[(1, 68683485), (3, 22894495), (5, 13736697), (13, 5283345), (15, 4578899), (17, 4040205), (39, 1761115), (51, 1346735), (65, 1056669), (85, 808041), (195, 352223), (221, 310785), (255, 269347), (663, 103595), (1105, 62157), (3315, 20719)]