2122725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 1877019

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 83, 93, 155, 165, 249, 275, 341, 415, 465, 775, 825, 913, 1023, 1245, 1705, 2075, 2325, 2573, 2739, 4565, 5115, 6225, 7719, 8525, 12865, 13695, 22825, 25575, 28303, 38595, 64325, 68475, 84909, 141515, 192975, 424545, 707575, 2122725]

約数ペア:

[(1, 2122725), (3, 707575), (5, 424545), (11, 192975), (15, 141515), (25, 84909), (31, 68475), (33, 64325), (55, 38595), (75, 28303), (83, 25575), (93, 22825), (155, 13695), (165, 12865), (249, 8525), (275, 7719), (341, 6225), (415, 5115), (465, 4565), (775, 2739), (825, 2573), (913, 2325), (1023, 2075), (1245, 1705)]