68740581

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2767}}^1$

素因数の和:2810

約数の個数: 36

約数和(自身を含む): 115492032

約数和(自身を除く): 46751451

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1911, 2767, 3549, 8281, 8301, 19369, 24843, 35971, 58107, 107913, 135583, 251797, 406749, 467623, 755391, 1402869, 1762579, 3273361, 5287737, 9820083, 22913527, 68740581]

約数ペア:

[(1, 68740581), (3, 22913527), (7, 9820083), (13, 5287737), (21, 3273361), (39, 1762579), (49, 1402869), (91, 755391), (147, 467623), (169, 406749), (273, 251797), (507, 135583), (637, 107913), (1183, 58107), (1911, 35971), (2767, 24843), (3549, 19369), (8281, 8301)]