138972249

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{91369}}^1$

素因数の和:91401

約数の個数: 18

約数和(自身を含む): 217369230

約数和(自身を除く): 78396981

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 91369, 274107, 822321, 1187797, 3563391, 10690173, 15441361, 46324083, 138972249]

約数ペア:

[(1, 138972249), (3, 46324083), (9, 15441361), (13, 10690173), (39, 3563391), (117, 1187797), (169, 822321), (507, 274107), (1521, 91369)]