2221167207

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{155773}}^1$

素因数の和:155887

約数の個数: 24

約数和(自身を含む): 3480614256

約数和(自身を除く): 1259447049

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 155773, 467319, 1090411, 3271233, 7632877, 15109981, 22898631, 45329943, 105769867, 317309601, 740389069, 2221167207]

約数ペア:

[(1, 2221167207), (3, 740389069), (7, 317309601), (21, 105769867), (49, 45329943), (97, 22898631), (147, 15109981), (291, 7632877), (679, 3271233), (2037, 1090411), (4753, 467319), (14259, 155773)]