178996851

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{829}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 290035200

約数和(自身を除く): 111038349

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 727, 829, 2181, 2487, 6543, 7461, 7997, 9119, 19629, 22383, 23991, 27357, 71973, 82071, 215919, 246213, 602683, 1808049, 5424147, 6629513, 16272441, 19888539, 59665617, 178996851]

約数ペア:

[(1, 178996851), (3, 59665617), (9, 19888539), (11, 16272441), (27, 6629513), (33, 5424147), (99, 1808049), (297, 602683), (727, 246213), (829, 215919), (2181, 82071), (2487, 71973), (6543, 27357), (7461, 23991), (7997, 22383), (9119, 19629)]