2971209

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 4420800

約数和(自身を除く): 1449591

約数列:

[1, 3, 17, 23, 51, 69, 149, 289, 391, 447, 867, 1173, 2533, 3427, 6647, 7599, 10281, 19941, 43061, 58259, 129183, 174777, 990403, 2971209]

約数ペア:

[(1, 2971209), (3, 990403), (17, 174777), (23, 129183), (51, 58259), (69, 43061), (149, 19941), (289, 10281), (391, 7599), (447, 6647), (867, 3427), (1173, 2533)]