51487557

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 80310720

約数和(自身を除く): 28823163

約数列:

[1, 3, 11, 29, 33, 67, 73, 87, 121, 201, 219, 319, 363, 737, 803, 957, 1943, 2117, 2211, 2409, 3509, 4891, 5829, 6351, 8107, 8833, 10527, 14673, 21373, 23287, 24321, 26499, 53801, 64119, 69861, 141839, 161403, 235103, 256157, 425517, 591811, 705309, 768471, 1560229, 1775433, 4680687, 17162519, 51487557]

約数ペア:

[(1, 51487557), (3, 17162519), (11, 4680687), (29, 1775433), (33, 1560229), (67, 768471), (73, 705309), (87, 591811), (121, 425517), (201, 256157), (219, 235103), (319, 161403), (363, 141839), (737, 69861), (803, 64119), (957, 53801), (1943, 26499), (2117, 24321), (2211, 23287), (2409, 21373), (3509, 14673), (4891, 10527), (5829, 8833), (6351, 8107)]