40497471

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:852

約数の個数: 36

約数和(自身を含む): 68664024

約数和(自身を除く): 28166553

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 393, 441, 701, 917, 1179, 2103, 2751, 4907, 6309, 6419, 8253, 14721, 19257, 34349, 44163, 57771, 91831, 103047, 275493, 309141, 642817, 826479, 1928451, 4499719, 5785353, 13499157, 40497471]

約数ペア:

[(1, 40497471), (3, 13499157), (7, 5785353), (9, 4499719), (21, 1928451), (49, 826479), (63, 642817), (131, 309141), (147, 275493), (393, 103047), (441, 91831), (701, 57771), (917, 44163), (1179, 34349), (2103, 19257), (2751, 14721), (4907, 8253), (6309, 6419)]