839734555

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{11471}}^1$

素因数の和:11520

約数の個数: 20

約数和(自身を含む): 1108539360

約数和(自身を除く): 268804805

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 11471, 14641, 57355, 73205, 126181, 630905, 1387991, 6939955, 15267901, 76339505, 167946911, 839734555]

約数ペア:

[(1, 839734555), (5, 167946911), (11, 76339505), (55, 15267901), (121, 6939955), (605, 1387991), (1331, 630905), (6655, 126181), (11471, 73205), (14641, 57355)]