202012821

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{316139}}^1$

素因数の和:316216

約数の個数: 12

約数和(自身を含む): 295907040

約数和(自身を除く): 93894219

約数列:

[1, 3, 9, 71, 213, 639, 316139, 948417, 2845251, 22445869, 67337607, 202012821]

約数ペア:

[(1, 202012821), (3, 67337607), (9, 22445869), (71, 2845251), (213, 948417), (639, 316139)]