51121945

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 75644928

約数和(自身を除く): 24522983

約数列:

[1, 5, 7, 31, 35, 49, 53, 127, 155, 217, 245, 265, 371, 635, 889, 1085, 1519, 1643, 1855, 2597, 3937, 4445, 6223, 6731, 7595, 8215, 11501, 12985, 19685, 27559, 31115, 33655, 47117, 57505, 80507, 137795, 192913, 208661, 235585, 329819, 402535, 964565, 1043305, 1460627, 1649095, 7303135, 10224389, 51121945]

約数ペア:

[(1, 51121945), (5, 10224389), (7, 7303135), (31, 1649095), (35, 1460627), (49, 1043305), (53, 964565), (127, 402535), (155, 329819), (217, 235585), (245, 208661), (265, 192913), (371, 137795), (635, 80507), (889, 57505), (1085, 47117), (1519, 33655), (1643, 31115), (1855, 27559), (2597, 19685), (3937, 12985), (4445, 11501), (6223, 8215), (6731, 7595)]