66836781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 111196800

約数和(自身を除く): 44360019

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 149, 197, 207, 253, 447, 591, 759, 1341, 1639, 1773, 2167, 2277, 3427, 4531, 4917, 6501, 10281, 13593, 14751, 19503, 29353, 30843, 37697, 40779, 49841, 88059, 113091, 149523, 264177, 322883, 339273, 448569, 675119, 968649, 2025357, 2905947, 6076071, 7426309, 22278927, 66836781]

約数ペア:

[(1, 66836781), (3, 22278927), (9, 7426309), (11, 6076071), (23, 2905947), (33, 2025357), (69, 968649), (99, 675119), (149, 448569), (197, 339273), (207, 322883), (253, 264177), (447, 149523), (591, 113091), (759, 88059), (1341, 49841), (1639, 40779), (1773, 37697), (2167, 30843), (2277, 29353), (3427, 19503), (4531, 14751), (4917, 13593), (6501, 10281)]