157211571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 237404160

約数和(自身を除く): 80192589

約数列:

[1, 3, 11, 31, 33, 93, 239, 341, 643, 717, 1023, 1929, 2629, 7073, 7409, 7887, 19933, 21219, 22227, 59799, 81499, 153677, 219263, 244497, 461031, 657789, 1690447, 4763987, 5071341, 14291961, 52403857, 157211571]

約数ペア:

[(1, 157211571), (3, 52403857), (11, 14291961), (31, 5071341), (33, 4763987), (93, 1690447), (239, 657789), (341, 461031), (643, 244497), (717, 219263), (1023, 153677), (1929, 81499), (2629, 59799), (7073, 22227), (7409, 21219), (7887, 19933)]