208914921

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2662

約数の個数: 36

約数和(自身を含む): 331029504

約数和(自身を除く): 122114583

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 289, 527, 867, 1581, 2591, 2601, 4743, 7773, 8959, 23319, 26877, 44047, 80321, 80631, 132141, 240963, 396423, 722889, 748799, 1365457, 2246397, 4096371, 6739191, 12289113, 23212769, 69638307, 208914921]

約数ペア:

[(1, 208914921), (3, 69638307), (9, 23212769), (17, 12289113), (31, 6739191), (51, 4096371), (93, 2246397), (153, 1365457), (279, 748799), (289, 722889), (527, 396423), (867, 240963), (1581, 132141), (2591, 80631), (2601, 80321), (4743, 44047), (7773, 26877), (8959, 23319)]