1820341719

素因数分解:

$3^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{7229}}^1$

素因数の和:7820

約数の個数: 36

約数和(自身を含む): 3064449960

約数和(自身を除く): 1244108241

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 571, 1713, 3997, 5139, 7229, 11991, 21687, 27979, 35973, 50603, 65061, 83937, 151809, 251811, 354221, 455427, 1062663, 3187989, 4127759, 12383277, 28894313, 37149831, 86682939, 202260191, 260048817, 606780573, 1820341719]

約数ペア:

[(1, 1820341719), (3, 606780573), (7, 260048817), (9, 202260191), (21, 86682939), (49, 37149831), (63, 28894313), (147, 12383277), (441, 4127759), (571, 3187989), (1713, 1062663), (3997, 455427), (5139, 354221), (7229, 251811), (11991, 151809), (21687, 83937), (27979, 65061), (35973, 50603)]