67780923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 109309440

約数和(自身を除く): 41528517

約数列:

[1, 3, 7, 19, 21, 57, 133, 257, 399, 661, 771, 1799, 1983, 4627, 4883, 5397, 12559, 13881, 14649, 34181, 37677, 87913, 102543, 169877, 263739, 509631, 1189139, 3227663, 3567417, 9682989, 22593641, 67780923]

約数ペア:

[(1, 67780923), (3, 22593641), (7, 9682989), (19, 3567417), (21, 3227663), (57, 1189139), (133, 509631), (257, 263739), (399, 169877), (661, 102543), (771, 87913), (1799, 37677), (1983, 34181), (4627, 14649), (4883, 13881), (5397, 12559)]