289605213

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{51817}}^1$

素因数の和:51855

約数の個数: 24

約数和(自身を含む): 452682048

約数和(自身を除く): 163076835

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 51817, 155451, 466353, 1191791, 1399059, 3575373, 4197177, 10726119, 12591531, 32178357, 96535071, 289605213]

約数ペア:

[(1, 289605213), (3, 96535071), (9, 32178357), (23, 12591531), (27, 10726119), (69, 4197177), (81, 3575373), (207, 1399059), (243, 1191791), (621, 466353), (1863, 155451), (5589, 51817)]