27900249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 41631744

約数和(自身を除く): 13731495

約数列:

[1, 3, 13, 39, 43, 127, 129, 131, 381, 393, 559, 1651, 1677, 1703, 4953, 5109, 5461, 5633, 16383, 16637, 16899, 49911, 70993, 73229, 212979, 216281, 219687, 648843, 715391, 2146173, 9300083, 27900249]

約数ペア:

[(1, 27900249), (3, 9300083), (13, 2146173), (39, 715391), (43, 648843), (127, 219687), (129, 216281), (131, 212979), (381, 73229), (393, 70993), (559, 49911), (1651, 16899), (1677, 16637), (1703, 16383), (4953, 5633), (5109, 5461)]