28624155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 52766208

約数和(自身を除く): 24142053

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2081, 2751, 4585, 6243, 10405, 13755, 14567, 31215, 43701, 72835, 218505, 272611, 817833, 1363055, 1908277, 4089165, 5724831, 9541385, 28624155]

約数ペア:

[(1, 28624155), (3, 9541385), (5, 5724831), (7, 4089165), (15, 1908277), (21, 1363055), (35, 817833), (105, 272611), (131, 218505), (393, 72835), (655, 43701), (917, 31215), (1965, 14567), (2081, 13755), (2751, 10405), (4585, 6243)]