18043731

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 27007344

約数和(自身を除く): 8963613

約数列:

[1, 3, 9, 41, 107, 123, 321, 369, 457, 963, 1371, 4113, 4387, 13161, 18737, 39483, 48899, 56211, 146697, 168633, 440091, 2004859, 6014577, 18043731]

約数ペア:

[(1, 18043731), (3, 6014577), (9, 2004859), (41, 440091), (107, 168633), (123, 146697), (321, 56211), (369, 48899), (457, 39483), (963, 18737), (1371, 13161), (4113, 4387)]