31423743

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 49074480

約数和(自身を除く): 17650737

約数列:

[1, 3, 9, 13, 39, 117, 419, 641, 1257, 1923, 3771, 5447, 5769, 8333, 16341, 24999, 49023, 74997, 268579, 805737, 2417211, 3491527, 10474581, 31423743]

約数ペア:

[(1, 31423743), (3, 10474581), (9, 3491527), (13, 2417211), (39, 805737), (117, 268579), (419, 74997), (641, 49023), (1257, 24999), (1923, 16341), (3771, 8333), (5447, 5769)]