253158399

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2179}}^1$

素因数の和:2532

約数の個数: 32

約数和(自身を含む): 405305600

約数和(自身を除く): 152147201

約数列:

[1, 3, 9, 13, 27, 39, 117, 331, 351, 993, 2179, 2979, 4303, 6537, 8937, 12909, 19611, 28327, 38727, 58833, 84981, 116181, 254943, 721249, 764829, 2163747, 6491241, 9376237, 19473723, 28128711, 84386133, 253158399]

約数ペア:

[(1, 253158399), (3, 84386133), (9, 28128711), (13, 19473723), (27, 9376237), (39, 6491241), (117, 2163747), (331, 764829), (351, 721249), (993, 254943), (2179, 116181), (2979, 84981), (4303, 58833), (6537, 38727), (8937, 28327), (12909, 19611)]