278797942779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7369}}^1\times {\mathrm{13997}}^1$

素因数の和:21439

約数の個数: 32

約数和(自身を含む): 401106530880

約数和(自身を除く): 122308588101

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7369, 13997, 22107, 41991, 125273, 237949, 375819, 390557, 713847, 741841, 1171671, 2225523, 6639469, 12611297, 19918407, 37833891, 103143893, 309431679, 1753446181, 5260338543, 5466626329, 16399878987, 92932647593, 278797942779]

約数ペア:

[(1, 278797942779), (3, 92932647593), (17, 16399878987), (51, 5466626329), (53, 5260338543), (159, 1753446181), (901, 309431679), (2703, 103143893), (7369, 37833891), (13997, 19918407), (22107, 12611297), (41991, 6639469), (125273, 2225523), (237949, 1171671), (375819, 741841), (390557, 713847)]