12787089

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 20377728

約数和(自身を除く): 7590639

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 2351, 5439, 7053, 16457, 49371, 86987, 115199, 260961, 345597, 608909, 1826727, 4262363, 12787089]

約数ペア:

[(1, 12787089), (3, 4262363), (7, 1826727), (21, 608909), (37, 345597), (49, 260961), (111, 115199), (147, 86987), (259, 49371), (777, 16457), (1813, 7053), (2351, 5439)]