3639181

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 4740120

約数和(自身を除く): 1100939

約数列:

[1, 7, 13, 29, 49, 91, 197, 203, 377, 637, 1379, 1421, 2561, 2639, 5713, 9653, 17927, 18473, 39991, 74269, 125489, 279937, 519883, 3639181]

約数ペア:

[(1, 3639181), (7, 519883), (13, 279937), (29, 125489), (49, 74269), (91, 39991), (197, 18473), (203, 17927), (377, 9653), (637, 5713), (1379, 2639), (1421, 2561)]