388920177

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1759}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 608256000

約数和(自身を除く): 219335823

約数列:

[1, 3, 9, 19, 27, 57, 171, 431, 513, 1293, 1759, 3879, 5277, 8189, 11637, 15831, 24567, 33421, 47493, 73701, 100263, 221103, 300789, 758129, 902367, 2274387, 6823161, 14404451, 20469483, 43213353, 129640059, 388920177]

約数ペア:

[(1, 388920177), (3, 129640059), (9, 43213353), (19, 20469483), (27, 14404451), (57, 6823161), (171, 2274387), (431, 902367), (513, 758129), (1293, 300789), (1759, 221103), (3879, 100263), (5277, 73701), (8189, 47493), (11637, 33421), (15831, 24567)]