81982089

素因数分解:

$3^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2287}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 135632640

約数和(自身を除く): 53650551

約数列:

[1, 3, 7, 9, 21, 63, 569, 1707, 2287, 3983, 5121, 6861, 11949, 16009, 20583, 35847, 48027, 144081, 1301303, 3903909, 9109121, 11711727, 27327363, 81982089]

約数ペア:

[(1, 81982089), (3, 27327363), (7, 11711727), (9, 9109121), (21, 3903909), (63, 1301303), (569, 144081), (1707, 48027), (2287, 35847), (3983, 20583), (5121, 16009), (6861, 11949)]