2786805

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 5715072

約数和(自身を除く): 2928267

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 983, 2835, 2949, 4915, 6881, 8847, 14745, 20643, 26541, 34405, 44235, 61929, 79623, 103215, 132705, 185787, 309645, 398115, 557361, 928935, 2786805]

約数ペア:

[(1, 2786805), (3, 928935), (5, 557361), (7, 398115), (9, 309645), (15, 185787), (21, 132705), (27, 103215), (35, 79623), (45, 61929), (63, 44235), (81, 34405), (105, 26541), (135, 20643), (189, 14745), (315, 8847), (405, 6881), (567, 4915), (945, 2949), (983, 2835)]