1971717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 2894400

約数和(自身を除く): 922683

約数列:

[1, 3, 11, 33, 149, 401, 447, 1203, 1639, 4411, 4917, 13233, 59749, 179247, 657239, 1971717]

約数ペア:

[(1, 1971717), (3, 657239), (11, 179247), (33, 59749), (149, 13233), (401, 4917), (447, 4411), (1203, 1639)]