12771225

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1878

約数の個数: 36

約数和(自身を含む): 23625472

約数和(自身を除く): 10854247

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 1831, 2325, 5493, 6975, 9155, 16479, 27465, 45775, 56761, 82395, 137325, 170283, 283805, 411975, 510849, 851415, 1419025, 2554245, 4257075, 12771225]

約数ペア:

[(1, 12771225), (3, 4257075), (5, 2554245), (9, 1419025), (15, 851415), (25, 510849), (31, 411975), (45, 283805), (75, 170283), (93, 137325), (155, 82395), (225, 56761), (279, 45775), (465, 27465), (775, 16479), (1395, 9155), (1831, 6975), (2325, 5493)]