2648919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 4501504

約数和(自身を除く): 1852585

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 313, 403, 651, 939, 1209, 2191, 2821, 4069, 6573, 8463, 9703, 12207, 28483, 29109, 67921, 85449, 126139, 203763, 378417, 882973, 2648919]

約数ペア:

[(1, 2648919), (3, 882973), (7, 378417), (13, 203763), (21, 126139), (31, 85449), (39, 67921), (91, 29109), (93, 28483), (217, 12207), (273, 9703), (313, 8463), (403, 6573), (651, 4069), (939, 2821), (1209, 2191)]