81817290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{101009}}^1$

素因数の和:101028

約数の個数: 40

約数和(自身を含む): 219999780

約数和(自身を除く): 138182490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 101009, 202018, 303027, 505045, 606054, 909081, 1010090, 1515135, 1818162, 2727243, 3030270, 4545405, 5454486, 8181729, 9090810, 13636215, 16363458, 27272430, 40908645, 81817290]

約数ペア:

[(1, 81817290), (2, 40908645), (3, 27272430), (5, 16363458), (6, 13636215), (9, 9090810), (10, 8181729), (15, 5454486), (18, 4545405), (27, 3030270), (30, 2727243), (45, 1818162), (54, 1515135), (81, 1010090), (90, 909081), (135, 606054), (162, 505045), (270, 303027), (405, 202018), (810, 101009)]