165520761

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3877}}^1$

素因数の和:4013

約数の個数: 32

約数和(自身を含む): 268047360

約数和(自身を除く): 102526599

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 3877, 6099, 11631, 14231, 27139, 42693, 73663, 81417, 220989, 414839, 515641, 1244517, 1546923, 2903873, 7881941, 8711619, 23645823, 55173587, 165520761]

約数ペア:

[(1, 165520761), (3, 55173587), (7, 23645823), (19, 8711619), (21, 7881941), (57, 2903873), (107, 1546923), (133, 1244517), (321, 515641), (399, 414839), (749, 220989), (2033, 81417), (2247, 73663), (3877, 42693), (6099, 27139), (11631, 14231)]