440702913

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 713577984

約数和(自身を除く): 272875071

約数列:

[1, 3, 7, 21, 31, 49, 93, 97, 147, 217, 291, 651, 679, 997, 1519, 2037, 2991, 3007, 4557, 4753, 6979, 9021, 14259, 20937, 21049, 30907, 48853, 63147, 92721, 96709, 146559, 147343, 216349, 290127, 442029, 649047, 676963, 1514443, 2030889, 2997979, 4543329, 4738741, 8993937, 14216223, 20985853, 62957559, 146900971, 440702913]

約数ペア:

[(1, 440702913), (3, 146900971), (7, 62957559), (21, 20985853), (31, 14216223), (49, 8993937), (93, 4738741), (97, 4543329), (147, 2997979), (217, 2030889), (291, 1514443), (651, 676963), (679, 649047), (997, 442029), (1519, 290127), (2037, 216349), (2991, 147343), (3007, 146559), (4557, 96709), (4753, 92721), (6979, 63147), (9021, 48853), (14259, 30907), (20937, 21049)]