5621805

素因数分解:

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

素因数の和:688

約数の個数: 48

約数和(自身を含む): 11566464

約数和(自身を除く): 5944659

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 661, 945, 1215, 1701, 1983, 2835, 3305, 4627, 5949, 8505, 9915, 13881, 17847, 23135, 29745, 41643, 53541, 69405, 89235, 124929, 160623, 208215, 267705, 374787, 624645, 803115, 1124361, 1873935, 5621805]

約数ペア:

[(1, 5621805), (3, 1873935), (5, 1124361), (7, 803115), (9, 624645), (15, 374787), (21, 267705), (27, 208215), (35, 160623), (45, 124929), (63, 89235), (81, 69405), (105, 53541), (135, 41643), (189, 29745), (243, 23135), (315, 17847), (405, 13881), (567, 9915), (661, 8505), (945, 5949), (1215, 4627), (1701, 3305), (1983, 2835)]