18161451

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 33246720

約数和(自身を除く): 15085269

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 359, 511, 657, 693, 803, 1077, 1533, 2409, 2513, 3231, 3949, 4599, 5621, 7227, 7539, 11847, 16863, 22617, 26207, 27643, 35541, 50589, 78621, 82929, 183449, 235863, 248787, 288277, 550347, 864831, 1651041, 2017939, 2594493, 6053817, 18161451]

約数ペア:

[(1, 18161451), (3, 6053817), (7, 2594493), (9, 2017939), (11, 1651041), (21, 864831), (33, 550347), (63, 288277), (73, 248787), (77, 235863), (99, 183449), (219, 82929), (231, 78621), (359, 50589), (511, 35541), (657, 27643), (693, 26207), (803, 22617), (1077, 16863), (1533, 11847), (2409, 7539), (2513, 7227), (3231, 5621), (3949, 4599)]