278340291

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{18289}}^1$

素因数の和:18403

約数の個数: 24

約数和(自身を含む): 427986000

約数和(自身を除く): 149645709

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1691, 5073, 15219, 18289, 54867, 164601, 347491, 1042473, 1627721, 3127419, 4883163, 14649489, 30926699, 92780097, 278340291]

約数ペア:

[(1, 278340291), (3, 92780097), (9, 30926699), (19, 14649489), (57, 4883163), (89, 3127419), (171, 1627721), (267, 1042473), (801, 347491), (1691, 164601), (5073, 54867), (15219, 18289)]