65381211

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2131}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 108203264

約数和(自身を除く): 42822053

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 2131, 3409, 4383, 6393, 10227, 14917, 19179, 30681, 44751, 134253, 1037797, 3113391, 7264579, 9340173, 21793737, 65381211]

約数ペア:

[(1, 65381211), (3, 21793737), (7, 9340173), (9, 7264579), (21, 3113391), (63, 1037797), (487, 134253), (1461, 44751), (2131, 30681), (3409, 19179), (4383, 14917), (6393, 10227)]