71828211

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 121945344

約数和(自身を除く): 50117133

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 169, 259, 273, 481, 507, 547, 777, 1183, 1443, 1641, 3367, 3549, 3829, 6253, 7111, 10101, 11487, 18759, 20239, 21333, 43771, 49777, 60717, 92443, 131313, 141673, 149331, 263107, 277329, 425019, 647101, 789321, 1841749, 1941303, 3420391, 5525247, 10261173, 23942737, 71828211]

約数ペア:

[(1, 71828211), (3, 23942737), (7, 10261173), (13, 5525247), (21, 3420391), (37, 1941303), (39, 1841749), (91, 789321), (111, 647101), (169, 425019), (259, 277329), (273, 263107), (481, 149331), (507, 141673), (547, 131313), (777, 92443), (1183, 60717), (1443, 49777), (1641, 43771), (3367, 21333), (3549, 20239), (3829, 18759), (6253, 11487), (7111, 10101)]