31938207

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 50400768

約数和(自身を除く): 18462561

約数列:

[1, 3, 7, 21, 43, 113, 129, 301, 313, 339, 791, 903, 939, 2191, 2373, 4859, 6573, 13459, 14577, 34013, 35369, 40377, 94213, 102039, 106107, 247583, 282639, 742749, 1520867, 4562601, 10646069, 31938207]

約数ペア:

[(1, 31938207), (3, 10646069), (7, 4562601), (21, 1520867), (43, 742749), (113, 282639), (129, 247583), (301, 106107), (313, 102039), (339, 94213), (791, 40377), (903, 35369), (939, 34013), (2191, 14577), (2373, 13459), (4859, 6573)]