2080401813

素因数分解:

$3^4\times 7^1\times {\mathrm{409}}^1\times {\mathrm{8971}}^1$

素因数の和:9399

約数の個数: 40

約数和(自身を含む): 3560807360

約数和(自身を除く): 1480405547

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 409, 567, 1227, 2863, 3681, 8589, 8971, 11043, 25767, 26913, 33129, 62797, 77301, 80739, 188391, 231903, 242217, 565173, 726651, 1695519, 3669139, 5086557, 11007417, 25683973, 33022251, 77051919, 99066753, 231155757, 297200259, 693467271, 2080401813]

約数ペア:

[(1, 2080401813), (3, 693467271), (7, 297200259), (9, 231155757), (21, 99066753), (27, 77051919), (63, 33022251), (81, 25683973), (189, 11007417), (409, 5086557), (567, 3669139), (1227, 1695519), (2863, 726651), (3681, 565173), (8589, 242217), (8971, 231903), (11043, 188391), (25767, 80739), (26913, 77301), (33129, 62797)]