206348751

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4373}}^1$

素因数の和:4500

約数の個数: 36

約数和(自身を含む): 350042472

約数和(自身を除く): 143693721

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 2247, 4373, 5243, 6741, 13119, 15729, 30611, 39357, 47187, 91833, 214277, 275499, 467911, 642831, 1403733, 1928493, 3275377, 4211199, 9826131, 22927639, 29478393, 68782917, 206348751]

約数ペア:

[(1, 206348751), (3, 68782917), (7, 29478393), (9, 22927639), (21, 9826131), (49, 4211199), (63, 3275377), (107, 1928493), (147, 1403733), (321, 642831), (441, 467911), (749, 275499), (963, 214277), (2247, 91833), (4373, 47187), (5243, 39357), (6741, 30611), (13119, 15729)]