217603989

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{116803}}^1$

素因数の和:116838

約数の個数: 20

約数和(自身を含む): 339198816

約数和(自身を除く): 121594827

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 116803, 350409, 1051227, 2686469, 3153681, 8059407, 9461043, 24178221, 72534663, 217603989]

約数ペア:

[(1, 217603989), (3, 72534663), (9, 24178221), (23, 9461043), (27, 8059407), (69, 3153681), (81, 2686469), (207, 1051227), (621, 350409), (1863, 116803)]