7784127

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 12642560

約数和(自身を除く): 4858433

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 331, 351, 603, 871, 993, 1809, 2613, 2979, 4303, 7839, 8937, 12909, 22177, 23517, 38727, 66531, 116181, 199593, 288301, 598779, 864903, 2594709, 7784127]

約数ペア:

[(1, 7784127), (3, 2594709), (9, 864903), (13, 598779), (27, 288301), (39, 199593), (67, 116181), (117, 66531), (201, 38727), (331, 23517), (351, 22177), (603, 12909), (871, 8937), (993, 7839), (1809, 4303), (2613, 2979)]