11818947

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 19649952

約数和(自身を除く): 7831005

約数列:

[1, 3, 7, 21, 37, 41, 49, 53, 111, 123, 147, 159, 259, 287, 371, 777, 861, 1113, 1517, 1813, 1961, 2009, 2173, 2597, 4551, 5439, 5883, 6027, 6519, 7791, 10619, 13727, 15211, 31857, 41181, 45633, 74333, 80401, 96089, 106477, 222999, 241203, 288267, 319431, 562807, 1688421, 3939649, 11818947]

約数ペア:

[(1, 11818947), (3, 3939649), (7, 1688421), (21, 562807), (37, 319431), (41, 288267), (49, 241203), (53, 222999), (111, 106477), (123, 96089), (147, 80401), (159, 74333), (259, 45633), (287, 41181), (371, 31857), (777, 15211), (861, 13727), (1113, 10619), (1517, 7791), (1813, 6519), (1961, 6027), (2009, 5883), (2173, 5439), (2597, 4551)]