31457265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 59185152

約数和(自身を除く): 27727887

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 245, 337, 381, 635, 735, 889, 1011, 1685, 1905, 2359, 2667, 4445, 5055, 6223, 7077, 11795, 13335, 16513, 18669, 31115, 35385, 42799, 49539, 82565, 93345, 128397, 213995, 247695, 299593, 641985, 898779, 1497965, 2097151, 4493895, 6291453, 10485755, 31457265]

約数ペア:

[(1, 31457265), (3, 10485755), (5, 6291453), (7, 4493895), (15, 2097151), (21, 1497965), (35, 898779), (49, 641985), (105, 299593), (127, 247695), (147, 213995), (245, 128397), (337, 93345), (381, 82565), (635, 49539), (735, 42799), (889, 35385), (1011, 31115), (1685, 18669), (1905, 16513), (2359, 13335), (2667, 11795), (4445, 7077), (5055, 6223)]