7143315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 12260160

約数和(自身を除く): 5116845

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 257, 327, 545, 771, 1285, 1635, 1853, 3855, 4369, 5559, 9265, 13107, 21845, 27795, 28013, 65535, 84039, 140065, 420195, 476221, 1428663, 2381105, 7143315]

約数ペア:

[(1, 7143315), (3, 2381105), (5, 1428663), (15, 476221), (17, 420195), (51, 140065), (85, 84039), (109, 65535), (255, 28013), (257, 27795), (327, 21845), (545, 13107), (771, 9265), (1285, 5559), (1635, 4369), (1853, 3855)]