1882755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 3843840

約数和(自身を除く): 1961085

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 139, 215, 301, 315, 387, 417, 645, 695, 903, 973, 1251, 1505, 1935, 2085, 2709, 2919, 4515, 4865, 5977, 6255, 8757, 13545, 14595, 17931, 29885, 41839, 43785, 53793, 89655, 125517, 209195, 268965, 376551, 627585, 1882755]

約数ペア:

[(1, 1882755), (3, 627585), (5, 376551), (7, 268965), (9, 209195), (15, 125517), (21, 89655), (35, 53793), (43, 43785), (45, 41839), (63, 29885), (105, 17931), (129, 14595), (139, 13545), (215, 8757), (301, 6255), (315, 5977), (387, 4865), (417, 4515), (645, 2919), (695, 2709), (903, 2085), (973, 1935), (1251, 1505)]