288538281

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{18457}}^1$

素因数の和:18662

約数の個数: 20

約数和(自身を含む): 433283092

約数和(自身を除く): 144744811

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 15633, 18457, 55371, 166113, 498339, 1495017, 3562201, 10686603, 32059809, 96179427, 288538281]

約数ペア:

[(1, 288538281), (3, 96179427), (9, 32059809), (27, 10686603), (81, 3562201), (193, 1495017), (579, 498339), (1737, 166113), (5211, 55371), (15633, 18457)]