247865697

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{16661}}^1$

素因数の和:16718

約数の個数: 32

約数和(自身を含む): 399888000

約数和(自身を除く): 152022303

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 14877, 16661, 49983, 149949, 316559, 449847, 483169, 949677, 1449507, 2849031, 4348521, 8547093, 9180211, 13045563, 27540633, 82621899, 247865697]

約数ペア:

[(1, 247865697), (3, 82621899), (9, 27540633), (19, 13045563), (27, 9180211), (29, 8547093), (57, 4348521), (87, 2849031), (171, 1449507), (261, 949677), (513, 483169), (551, 449847), (783, 316559), (1653, 149949), (4959, 49983), (14877, 16661)]