2972151

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5591040

約数和(自身を除く): 2618889

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 191, 247, 273, 399, 573, 741, 819, 1197, 1337, 1719, 1729, 2223, 2483, 3629, 4011, 5187, 7449, 10887, 12033, 15561, 17381, 22347, 25403, 32661, 47177, 52143, 76209, 141531, 156429, 228627, 330239, 424593, 990717, 2972151]

約数ペア:

[(1, 2972151), (3, 990717), (7, 424593), (9, 330239), (13, 228627), (19, 156429), (21, 141531), (39, 76209), (57, 52143), (63, 47177), (91, 32661), (117, 25403), (133, 22347), (171, 17381), (191, 15561), (247, 12033), (273, 10887), (399, 7449), (573, 5187), (741, 4011), (819, 3629), (1197, 2483), (1337, 2223), (1719, 1729)]