278527281

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 403307520

約数和(自身を除く): 124780239

約数列:

[1, 3, 29, 31, 61, 87, 93, 183, 899, 1693, 1769, 1891, 2697, 5079, 5307, 5673, 49097, 52483, 54839, 103273, 147291, 157449, 164517, 309819, 1522007, 2994917, 3201463, 4566021, 8984751, 9604389, 92842427, 278527281]

約数ペア:

[(1, 278527281), (3, 92842427), (29, 9604389), (31, 8984751), (61, 4566021), (87, 3201463), (93, 2994917), (183, 1522007), (899, 309819), (1693, 164517), (1769, 157449), (1891, 147291), (2697, 103273), (5079, 54839), (5307, 52483), (5673, 49097)]