2897865

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 5099328

約数和(自身を除く): 2201463

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 907, 1065, 2721, 3195, 4535, 8163, 13605, 40815, 64397, 193191, 321985, 579573, 965955, 2897865]

約数ペア:

[(1, 2897865), (3, 965955), (5, 579573), (9, 321985), (15, 193191), (45, 64397), (71, 40815), (213, 13605), (355, 8163), (639, 4535), (907, 3195), (1065, 2721)]