206271

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 336336

約数和(自身を除く): 130065

約数列:

[1, 3, 9, 13, 39, 41, 43, 117, 123, 129, 369, 387, 533, 559, 1599, 1677, 1763, 4797, 5031, 5289, 15867, 22919, 68757, 206271]

約数ペア:

[(1, 206271), (3, 68757), (9, 22919), (13, 15867), (39, 5289), (41, 5031), (43, 4797), (117, 1763), (123, 1677), (129, 1599), (369, 559), (387, 533)]