980727385

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{13397}}^1$

素因数の和:13446

約数の個数: 20

約数和(自身を含む): 1294648740

約数和(自身を除く): 313921355

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 13397, 14641, 66985, 73205, 147367, 736835, 1621037, 8105185, 17831407, 89157035, 196145477, 980727385]

約数ペア:

[(1, 980727385), (5, 196145477), (11, 89157035), (55, 17831407), (121, 8105185), (605, 1621037), (1331, 736835), (6655, 147367), (13397, 73205), (14641, 66985)]