3123225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 6567040

約数和(自身を除く): 3443815

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 661, 675, 945, 1575, 1983, 3305, 4627, 4725, 5949, 9915, 13881, 16525, 17847, 23135, 29745, 41643, 49575, 69405, 89235, 115675, 124929, 148725, 208215, 347025, 446175, 624645, 1041075, 3123225]

約数ペア:

[(1, 3123225), (3, 1041075), (5, 624645), (7, 446175), (9, 347025), (15, 208215), (21, 148725), (25, 124929), (27, 115675), (35, 89235), (45, 69405), (63, 49575), (75, 41643), (105, 29745), (135, 23135), (175, 17847), (189, 16525), (225, 13881), (315, 9915), (525, 5949), (661, 4725), (675, 4627), (945, 3305), (1575, 1983)]