271293381

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 428630400

約数和(自身を除く): 157337019

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 409, 431, 513, 1227, 1293, 1539, 3681, 3879, 7771, 8189, 11043, 11637, 23313, 24567, 33129, 34911, 69939, 73701, 176279, 209817, 221103, 528837, 629451, 663309, 1586511, 3349301, 4759533, 10047903, 14278599, 30143709, 90431127, 271293381]

約数ペア:

[(1, 271293381), (3, 90431127), (9, 30143709), (19, 14278599), (27, 10047903), (57, 4759533), (81, 3349301), (171, 1586511), (409, 663309), (431, 629451), (513, 528837), (1227, 221103), (1293, 209817), (1539, 176279), (3681, 73701), (3879, 69939), (7771, 34911), (8189, 33129), (11043, 24567), (11637, 23313)]