2647491

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 4489728

約数和(自身を除く): 1842237

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 157, 219, 231, 471, 511, 803, 1099, 1533, 1727, 2409, 3297, 5181, 5621, 11461, 12089, 16863, 34383, 36267, 80227, 126071, 240681, 378213, 882497, 2647491]

約数ペア:

[(1, 2647491), (3, 882497), (7, 378213), (11, 240681), (21, 126071), (33, 80227), (73, 36267), (77, 34383), (157, 16863), (219, 12089), (231, 11461), (471, 5621), (511, 5181), (803, 3297), (1099, 2409), (1533, 1727)]