287205513

素因数分解:

$3^1\times 7^2\times {\mathrm{1373}}^1\times {\mathrm{1423}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 446099328

約数和(自身を除く): 158893815

約数列:

[1, 3, 7, 21, 49, 147, 1373, 1423, 4119, 4269, 9611, 9961, 28833, 29883, 67277, 69727, 201831, 209181, 1953779, 5861337, 13676453, 41029359, 95735171, 287205513]

約数ペア:

[(1, 287205513), (3, 95735171), (7, 41029359), (21, 13676453), (49, 5861337), (147, 1953779), (1373, 209181), (1423, 201831), (4119, 69727), (4269, 67277), (9611, 29883), (9961, 28833)]