18057087

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3945

約数の個数: 24

約数和(自身を含む): 28479360

約数和(自身を除く): 10422273

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 3911, 4617, 11733, 35199, 74309, 105597, 222927, 316791, 668781, 950373, 2006343, 6019029, 18057087]

約数ペア:

[(1, 18057087), (3, 6019029), (9, 2006343), (19, 950373), (27, 668781), (57, 316791), (81, 222927), (171, 105597), (243, 74309), (513, 35199), (1539, 11733), (3911, 4617)]