287351253

素因数分解:

$3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{5189}}^1$

素因数の和:5498

約数の個数: 32

約数和(自身を含む): 488275200

約数和(自身を除く): 200923947

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 293, 879, 2051, 2637, 5189, 6153, 7911, 15567, 18459, 36323, 46701, 55377, 108969, 140103, 326907, 980721, 1520377, 4561131, 10642639, 13683393, 31927917, 41050179, 95783751, 287351253]

約数ペア:

[(1, 287351253), (3, 95783751), (7, 41050179), (9, 31927917), (21, 13683393), (27, 10642639), (63, 4561131), (189, 1520377), (293, 980721), (879, 326907), (2051, 140103), (2637, 108969), (5189, 55377), (6153, 46701), (7911, 36323), (15567, 18459)]