256254831

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{6229}}^1$

素因数の和:6895

約数の個数: 24

約数和(自身を含む): 423739680

約数和(自身を除く): 167484849

約数列:

[1, 3, 7, 9, 21, 63, 653, 1959, 4571, 5877, 6229, 13713, 18687, 41139, 43603, 56061, 130809, 392427, 4067537, 12202611, 28472759, 36607833, 85418277, 256254831]

約数ペア:

[(1, 256254831), (3, 85418277), (7, 36607833), (9, 28472759), (21, 12202611), (63, 4067537), (653, 392427), (1959, 130809), (4571, 56061), (5877, 43603), (6229, 41139), (13713, 18687)]