12718923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 7924917

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 251, 381, 399, 753, 889, 1757, 2413, 2667, 4769, 5271, 7239, 14307, 16891, 31877, 33383, 50673, 95631, 100149, 223139, 605663, 669417, 1816989, 4239641, 12718923]

約数ペア:

[(1, 12718923), (3, 4239641), (7, 1816989), (19, 669417), (21, 605663), (57, 223139), (127, 100149), (133, 95631), (251, 50673), (381, 33383), (399, 31877), (753, 16891), (889, 14307), (1757, 7239), (2413, 5271), (2667, 4769)]