280194159

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6563}}^1$

素因数の和:6699

約数の個数: 32

約数和(自身を含む): 453703680

約数和(自身を除く): 173509521

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 6563, 14231, 19689, 42693, 45941, 124697, 137823, 374091, 702241, 872879, 2106723, 2618637, 4915687, 13342579, 14747061, 40027737, 93398053, 280194159]

約数ペア:

[(1, 280194159), (3, 93398053), (7, 40027737), (19, 14747061), (21, 13342579), (57, 4915687), (107, 2618637), (133, 2106723), (321, 872879), (399, 702241), (749, 374091), (2033, 137823), (2247, 124697), (6099, 45941), (6563, 42693), (14231, 19689)]