278538627

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 400482304

約数和(自身を除く): 121943677

約数列:

[1, 3, 31, 37, 61, 93, 111, 183, 1147, 1327, 1891, 2257, 3441, 3981, 5673, 6771, 41137, 49099, 69967, 80947, 123411, 147297, 209901, 242841, 1522069, 2509357, 2995039, 4566207, 7528071, 8985117, 92846209, 278538627]

約数ペア:

[(1, 278538627), (3, 92846209), (31, 8985117), (37, 7528071), (61, 4566207), (93, 2995039), (111, 2509357), (183, 1522069), (1147, 242841), (1327, 209901), (1891, 147297), (2257, 123411), (3441, 80947), (3981, 69967), (5673, 49099), (6771, 41137)]