13247385

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 21925440

約数和(自身を除く): 8678055

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 919, 961, 2757, 2883, 4595, 4805, 13785, 14415, 28489, 85467, 142445, 427335, 883159, 2649477, 4415795, 13247385]

約数ペア:

[(1, 13247385), (3, 4415795), (5, 2649477), (15, 883159), (31, 427335), (93, 142445), (155, 85467), (465, 28489), (919, 14415), (961, 13785), (2757, 4805), (2883, 4595)]