28758879

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 43333680

約数和(自身を除く): 14574801

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 1289, 2479, 3867, 7437, 11601, 22311, 47693, 86363, 143079, 259089, 429237, 777267, 3195431, 9586293, 28758879]

約数ペア:

[(1, 28758879), (3, 9586293), (9, 3195431), (37, 777267), (67, 429237), (111, 259089), (201, 143079), (333, 86363), (603, 47693), (1289, 22311), (2479, 11601), (3867, 7437)]