1900390905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{31259}}^1$

素因数の和:31470

約数の個数: 48

約数和(自身を含む): 3784210560

約数和(自身を除く): 1883819655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 193, 315, 579, 965, 1351, 1737, 2895, 4053, 6755, 8685, 12159, 20265, 31259, 60795, 93777, 156295, 218813, 281331, 468885, 656439, 1094065, 1406655, 1969317, 3282195, 6032987, 9846585, 18098961, 30164935, 42230909, 54296883, 90494805, 126692727, 211154545, 271484415, 380078181, 633463635, 1900390905]

約数ペア:

[(1, 1900390905), (3, 633463635), (5, 380078181), (7, 271484415), (9, 211154545), (15, 126692727), (21, 90494805), (35, 54296883), (45, 42230909), (63, 30164935), (105, 18098961), (193, 9846585), (315, 6032987), (579, 3282195), (965, 1969317), (1351, 1406655), (1737, 1094065), (2895, 656439), (4053, 468885), (6755, 281331), (8685, 218813), (12159, 156295), (20265, 93777), (31259, 60795)]