16664319

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2383}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 28989440

約数和(自身を除く): 12325121

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2383, 6993, 7149, 16681, 21447, 50043, 64341, 88171, 150129, 264513, 450387, 617197, 793539, 1851591, 2380617, 5554773, 16664319]

約数ペア:

[(1, 16664319), (3, 5554773), (7, 2380617), (9, 1851591), (21, 793539), (27, 617197), (37, 450387), (63, 264513), (111, 150129), (189, 88171), (259, 64341), (333, 50043), (777, 21447), (999, 16681), (2331, 7149), (2383, 6993)]