2340819

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 42

約数和(自身を含む): 4000380

約数和(自身を除く): 1659561

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 169, 171, 243, 247, 351, 507, 513, 729, 741, 1053, 1521, 1539, 2223, 3159, 3211, 4563, 4617, 6669, 9477, 9633, 13689, 13851, 20007, 28899, 41067, 60021, 86697, 123201, 180063, 260091, 780273, 2340819]

約数ペア:

[(1, 2340819), (3, 780273), (9, 260091), (13, 180063), (19, 123201), (27, 86697), (39, 60021), (57, 41067), (81, 28899), (117, 20007), (169, 13851), (171, 13689), (243, 9633), (247, 9477), (351, 6669), (507, 4617), (513, 4563), (729, 3211), (741, 3159), (1053, 2223), (1521, 1539)]