171405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 321048

約数和(自身を除く): 149643

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 293, 585, 879, 1465, 2637, 3809, 4395, 11427, 13185, 19045, 34281, 57135, 171405]

約数ペア:

[(1, 171405), (3, 57135), (5, 34281), (9, 19045), (13, 13185), (15, 11427), (39, 4395), (45, 3809), (65, 2637), (117, 1465), (195, 879), (293, 585)]