9870255

素因数分解:

$3^4\times 5^1\times {\mathrm{24371}}^1$

素因数の和:24388

約数の個数: 20

約数和(自身を含む): 17694072

約数和(自身を除く): 7823817

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 24371, 73113, 121855, 219339, 365565, 658017, 1096695, 1974051, 3290085, 9870255]

約数ペア:

[(1, 9870255), (3, 3290085), (5, 1974051), (9, 1096695), (15, 658017), (27, 365565), (45, 219339), (81, 121855), (135, 73113), (405, 24371)]