40553721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20389}}^1$

素因数の和:20425

約数の個数: 24

約数和(自身を含む): 66797640

約数和(自身を除く): 26243919

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20389, 61167, 183501, 265057, 346613, 795171, 1039839, 2385513, 3119517, 4505969, 13517907, 40553721]

約数ペア:

[(1, 40553721), (3, 13517907), (9, 4505969), (13, 3119517), (17, 2385513), (39, 1039839), (51, 795171), (117, 346613), (153, 265057), (221, 183501), (663, 61167), (1989, 20389)]