2181159

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 3380832

約数和(自身を除く): 1199673

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 257, 369, 771, 943, 2313, 2829, 5911, 8487, 10537, 17733, 31611, 53199, 94833, 242351, 727053, 2181159]

約数ペア:

[(1, 2181159), (3, 727053), (9, 242351), (23, 94833), (41, 53199), (69, 31611), (123, 17733), (207, 10537), (257, 8487), (369, 5911), (771, 2829), (943, 2313)]