201781461

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 335608704

約数和(自身を除く): 133827243

約数列:

[1, 3, 7, 21, 23, 37, 49, 69, 111, 147, 161, 259, 483, 777, 851, 1127, 1613, 1813, 2553, 3381, 4839, 5439, 5957, 11291, 17871, 33873, 37099, 41699, 59681, 79037, 111297, 125097, 179043, 237111, 259693, 417767, 779079, 1253301, 1372663, 1817851, 2924369, 4117989, 5453553, 8773107, 9608641, 28825923, 67260487, 201781461]

約数ペア:

[(1, 201781461), (3, 67260487), (7, 28825923), (21, 9608641), (23, 8773107), (37, 5453553), (49, 4117989), (69, 2924369), (111, 1817851), (147, 1372663), (161, 1253301), (259, 779079), (483, 417767), (777, 259693), (851, 237111), (1127, 179043), (1613, 125097), (1813, 111297), (2553, 79037), (3381, 59681), (4839, 41699), (5439, 37099), (5957, 33873), (11291, 17871)]