218335041

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{15887}}^1$

素因数の和:16405

約数の個数: 16

約数和(自身を含む): 324115200

約数和(自身を除く): 105780159

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 15887, 47661, 142983, 428949, 8086483, 24259449, 72778347, 218335041]

約数ペア:

[(1, 218335041), (3, 72778347), (9, 24259449), (27, 8086483), (509, 428949), (1527, 142983), (4581, 47661), (13743, 15887)]