7881664005

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1\times {\mathrm{1987}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 13772164224

約数和(自身を除く): 5890500219

約数列:

[1, 3, 5, 9, 15, 45, 181, 487, 543, 905, 1461, 1629, 1987, 2435, 2715, 4383, 5961, 7305, 8145, 9935, 17883, 21915, 29805, 88147, 89415, 264441, 359647, 440735, 793323, 967669, 1078941, 1322205, 1798235, 2903007, 3236823, 3966615, 4838345, 5394705, 8709021, 14515035, 16184115, 43545105, 175148089, 525444267, 875740445, 1576332801, 2627221335, 7881664005]

約数ペア:

[(1, 7881664005), (3, 2627221335), (5, 1576332801), (9, 875740445), (15, 525444267), (45, 175148089), (181, 43545105), (487, 16184115), (543, 14515035), (905, 8709021), (1461, 5394705), (1629, 4838345), (1987, 3966615), (2435, 3236823), (2715, 2903007), (4383, 1798235), (5961, 1322205), (7305, 1078941), (8145, 967669), (9935, 793323), (17883, 440735), (21915, 359647), (29805, 264441), (88147, 89415)]