1287576

素因数分解:

$2^3\times 3^4\times {\mathrm{1987}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 3608220

約数和(自身を除く): 2320644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1987, 3974, 5961, 7948, 11922, 15896, 17883, 23844, 35766, 47688, 53649, 71532, 107298, 143064, 160947, 214596, 321894, 429192, 643788, 1287576]

約数ペア:

[(1, 1287576), (2, 643788), (3, 429192), (4, 321894), (6, 214596), (8, 160947), (9, 143064), (12, 107298), (18, 71532), (24, 53649), (27, 47688), (36, 35766), (54, 23844), (72, 17883), (81, 15896), (108, 11922), (162, 7948), (216, 5961), (324, 3974), (648, 1987)]