258609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 392000

約数和(自身を除く): 133391

約数列:

[1, 3, 13, 19, 39, 57, 247, 349, 741, 1047, 4537, 6631, 13611, 19893, 86203, 258609]

約数ペア:

[(1, 258609), (3, 86203), (13, 19893), (19, 13611), (39, 6631), (57, 4537), (247, 1047), (349, 741)]