2447865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 5116800

約数和(自身を除く): 2668935

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 409, 665, 855, 1197, 1227, 1995, 2045, 2863, 3681, 5985, 6135, 7771, 8589, 14315, 18405, 23313, 25767, 38855, 42945, 54397, 69939, 116565, 128835, 163191, 271985, 349695, 489573, 815955, 2447865]

約数ペア:

[(1, 2447865), (3, 815955), (5, 489573), (7, 349695), (9, 271985), (15, 163191), (19, 128835), (21, 116565), (35, 69939), (45, 54397), (57, 42945), (63, 38855), (95, 25767), (105, 23313), (133, 18405), (171, 14315), (285, 8589), (315, 7771), (399, 6135), (409, 5985), (665, 3681), (855, 2863), (1197, 2045), (1227, 1995)]