138888906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1780627}}^1$

素因数の和:1780645

約数の個数: 16

約数和(自身を含む): 299145504

約数和(自身を除く): 160256598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1780627, 3561254, 5341881, 10683762, 23148151, 46296302, 69444453, 138888906]

約数ペア:

[(1, 138888906), (2, 69444453), (3, 46296302), (6, 23148151), (13, 10683762), (26, 5341881), (39, 3561254), (78, 1780627)]