171255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{233}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 320112

約数和(自身を除く): 148857

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 233, 245, 699, 735, 1165, 1631, 3495, 4893, 8155, 11417, 24465, 34251, 57085, 171255]

約数ペア:

[(1, 171255), (3, 57085), (5, 34251), (7, 24465), (15, 11417), (21, 8155), (35, 4893), (49, 3495), (105, 1631), (147, 1165), (233, 735), (245, 699)]