401375961

素因数分解:

$3^2\times 7^1\times {\mathrm{1543}}^1\times {\mathrm{4129}}^1$

素因数の和:5685

約数の個数: 24

約数和(自身を含む): 663178880

約数和(自身を除く): 261802919

約数列:

[1, 3, 7, 9, 21, 63, 1543, 4129, 4629, 10801, 12387, 13887, 28903, 32403, 37161, 86709, 97209, 260127, 6371047, 19113141, 44597329, 57339423, 133791987, 401375961]

約数ペア:

[(1, 401375961), (3, 133791987), (7, 57339423), (9, 44597329), (21, 19113141), (63, 6371047), (1543, 260127), (4129, 97209), (4629, 86709), (10801, 37161), (12387, 32403), (13887, 28903)]