11972943

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 18004896

約数和(自身を除く): 6031953

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 457, 639, 1371, 2911, 4113, 8733, 18737, 26199, 32447, 56211, 97341, 168633, 292023, 1330327, 3990981, 11972943]

約数ペア:

[(1, 11972943), (3, 3990981), (9, 1330327), (41, 292023), (71, 168633), (123, 97341), (213, 56211), (369, 32447), (457, 26199), (639, 18737), (1371, 8733), (2911, 4113)]