208541271

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{22769}}^1$

素因数の和:22886

約数の個数: 16

約数和(自身を含む): 288541440

約数和(自身を除く): 80000169

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 22769, 68307, 979067, 1616599, 2937201, 4849797, 69513757, 208541271]

約数ペア:

[(1, 208541271), (3, 69513757), (43, 4849797), (71, 2937201), (129, 1616599), (213, 979067), (3053, 68307), (9159, 22769)]