8905197

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 14217472

約数和(自身を除く): 5312275

約数列:

[1, 3, 7, 21, 37, 73, 111, 157, 219, 259, 471, 511, 777, 1099, 1533, 2701, 3297, 5809, 8103, 11461, 17427, 18907, 34383, 40663, 56721, 80227, 121989, 240681, 424057, 1272171, 2968399, 8905197]

約数ペア:

[(1, 8905197), (3, 2968399), (7, 1272171), (21, 424057), (37, 240681), (73, 121989), (111, 80227), (157, 56721), (219, 40663), (259, 34383), (471, 18907), (511, 17427), (777, 11461), (1099, 8103), (1533, 5809), (2701, 3297)]