7146945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 14064960

約数和(自身を除く): 6918015

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 643, 741, 855, 1235, 1929, 2223, 3215, 3705, 5787, 8359, 9645, 11115, 12217, 25077, 28935, 36651, 41795, 61085, 75231, 109953, 125385, 158821, 183255, 376155, 476463, 549765, 794105, 1429389, 2382315, 7146945]

約数ペア:

[(1, 7146945), (3, 2382315), (5, 1429389), (9, 794105), (13, 549765), (15, 476463), (19, 376155), (39, 183255), (45, 158821), (57, 125385), (65, 109953), (95, 75231), (117, 61085), (171, 41795), (195, 36651), (247, 28935), (285, 25077), (585, 12217), (643, 11115), (741, 9645), (855, 8359), (1235, 5787), (1929, 3705), (2223, 3215)]