13533639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20789}}^1$

素因数の和:20830

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 7755321

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20789, 62367, 145523, 436569, 644459, 1933377, 4511213, 13533639]

約数ペア:

[(1, 13533639), (3, 4511213), (7, 1933377), (21, 644459), (31, 436569), (93, 145523), (217, 62367), (651, 20789)]