856398315

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{1117}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 1390970880

約数和(自身を除く): 534572565

約数列:

[1, 3, 5, 15, 79, 237, 395, 647, 1117, 1185, 1941, 3235, 3351, 5585, 9705, 16755, 51113, 88243, 153339, 255565, 264729, 441215, 722699, 766695, 1323645, 2168097, 3613495, 10840485, 57093221, 171279663, 285466105, 856398315]

約数ペア:

[(1, 856398315), (3, 285466105), (5, 171279663), (15, 57093221), (79, 10840485), (237, 3613495), (395, 2168097), (647, 1323645), (1117, 766695), (1185, 722699), (1941, 441215), (3235, 264729), (3351, 255565), (5585, 153339), (9705, 88243), (16755, 51113)]