817290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1009}}^1$

素因数の和:1028

約数の個数: 40

約数和(自身を含む): 2199780

約数和(自身を除く): 1382490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1009, 2018, 3027, 5045, 6054, 9081, 10090, 15135, 18162, 27243, 30270, 45405, 54486, 81729, 90810, 136215, 163458, 272430, 408645, 817290]

約数ペア:

[(1, 817290), (2, 408645), (3, 272430), (5, 163458), (6, 136215), (9, 90810), (10, 81729), (15, 54486), (18, 45405), (27, 30270), (30, 27243), (45, 18162), (54, 15135), (81, 10090), (90, 9081), (135, 6054), (162, 5045), (270, 3027), (405, 2018), (810, 1009)]