2553291

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 4025840

約数和(自身を除く): 1472549

約数列:

[1, 3, 9, 13, 39, 117, 139, 157, 417, 471, 1251, 1413, 1807, 2041, 5421, 6123, 16263, 18369, 21823, 65469, 196407, 283699, 851097, 2553291]

約数ペア:

[(1, 2553291), (3, 851097), (9, 283699), (13, 196407), (39, 65469), (117, 21823), (139, 18369), (157, 16263), (417, 6123), (471, 5421), (1251, 2041), (1413, 1807)]