2980719

素因数分解:

$3^4\times 7^2\times {\mathrm{751}}^1$

素因数の和:777

約数の個数: 30

約数和(自身を含む): 5186544

約数和(自身を除く): 2205825

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 751, 1323, 2253, 3969, 5257, 6759, 15771, 20277, 36799, 47313, 60831, 110397, 141939, 331191, 425817, 993573, 2980719]

約数ペア:

[(1, 2980719), (3, 993573), (7, 425817), (9, 331191), (21, 141939), (27, 110397), (49, 60831), (63, 47313), (81, 36799), (147, 20277), (189, 15771), (441, 6759), (567, 5257), (751, 3969), (1323, 2253)]