669417

素因数分解:

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

素因数の和:388

約数の個数: 16

約数和(自身を含む): 1032192

約数和(自身を除く): 362775

約数列:

[1, 3, 7, 21, 127, 251, 381, 753, 889, 1757, 2667, 5271, 31877, 95631, 223139, 669417]

約数ペア:

[(1, 669417), (3, 223139), (7, 95631), (21, 31877), (127, 5271), (251, 2667), (381, 1757), (753, 889)]