27984591

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 41736240

約数和(自身を除く): 13751649

約数列:

[1, 3, 9, 41, 123, 181, 369, 419, 543, 1257, 1629, 3771, 7421, 17179, 22263, 51537, 66789, 75839, 154611, 227517, 682551, 3109399, 9328197, 27984591]

約数ペア:

[(1, 27984591), (3, 9328197), (9, 3109399), (41, 682551), (123, 227517), (181, 154611), (369, 75839), (419, 66789), (543, 51537), (1257, 22263), (1629, 17179), (3771, 7421)]