397537

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 16

約数和(自身を含む): 496000

約数和(自身を除く): 98463

約数列:

[1, 7, 19, 49, 61, 133, 343, 427, 931, 1159, 2989, 6517, 8113, 20923, 56791, 397537]

約数ペア:

[(1, 397537), (7, 56791), (19, 20923), (49, 8113), (61, 6517), (133, 2989), (343, 1159), (427, 931)]