17971263

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{3923}}^1$

素因数の和:4438

約数の個数: 12

約数和(自身を含む): 26016120

約数和(自身を除く): 8044857

約数列:

[1, 3, 9, 509, 1527, 3923, 4581, 11769, 35307, 1996807, 5990421, 17971263]

約数ペア:

[(1, 17971263), (3, 5990421), (9, 1996807), (509, 35307), (1527, 11769), (3923, 4581)]