209714973

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{3257}}^1$

素因数の和:3413

約数の個数: 24

約数和(自身を含む): 305261568

約数和(自身を除く): 95546595

約数列:

[1, 3, 13, 39, 127, 169, 381, 507, 1651, 3257, 4953, 9771, 21463, 42341, 64389, 127023, 413639, 550433, 1240917, 1651299, 5377307, 16131921, 69904991, 209714973]

約数ペア:

[(1, 209714973), (3, 69904991), (13, 16131921), (39, 5377307), (127, 1651299), (169, 1240917), (381, 550433), (507, 413639), (1651, 127023), (3257, 64389), (4953, 42341), (9771, 21463)]