55977561

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{30047}}^1$

素因数の和:30082

約数の個数: 20

約数和(自身を含む): 87259392

約数和(自身を除く): 31281831

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 30047, 90141, 270423, 691081, 811269, 2073243, 2433807, 6219729, 18659187, 55977561]

約数ペア:

[(1, 55977561), (3, 18659187), (9, 6219729), (23, 2433807), (27, 2073243), (69, 811269), (81, 691081), (207, 270423), (621, 90141), (1863, 30047)]