221568906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2840627}}^1$

素因数の和:2840645

約数の個数: 16

約数和(自身を含む): 477225504

約数和(自身を除く): 255656598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2840627, 5681254, 8521881, 17043762, 36928151, 73856302, 110784453, 221568906]

約数ペア:

[(1, 221568906), (2, 110784453), (3, 73856302), (6, 36928151), (13, 17043762), (26, 8521881), (39, 5681254), (78, 2840627)]