51891903

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2683}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 85973888

約数和(自身を除く): 34081985

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2683, 2763, 6447, 8049, 18781, 19341, 24147, 56343, 169029, 823681, 2471043, 5765767, 7413129, 17297301, 51891903]

約数ペア:

[(1, 51891903), (3, 17297301), (7, 7413129), (9, 5765767), (21, 2471043), (63, 823681), (307, 169029), (921, 56343), (2149, 24147), (2683, 19341), (2763, 18781), (6447, 8049)]