205122021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{4211}}^1$

素因数の和:5476

約数の個数: 16

約数和(自身を含む): 294840000

約数和(自身を除く): 89717979

約数列:

[1, 3, 13, 39, 1249, 3747, 4211, 12633, 16237, 48711, 54743, 164229, 5259539, 15778617, 68374007, 205122021]

約数ペア:

[(1, 205122021), (3, 68374007), (13, 15778617), (39, 5259539), (1249, 164229), (3747, 54743), (4211, 48711), (12633, 16237)]