216501081

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{1571}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 293372928

約数和(自身を除く): 76871847

約数列:

[1, 3, 71, 213, 647, 1571, 1941, 4713, 45937, 111541, 137811, 334623, 1016437, 3049311, 72167027, 216501081]

約数ペア:

[(1, 216501081), (3, 72167027), (71, 3049311), (213, 1016437), (647, 334623), (1571, 137811), (1941, 111541), (4713, 45937)]