31130685

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 25478595

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 235, 359, 369, 423, 615, 705, 1077, 1795, 1845, 1927, 2115, 3231, 5385, 5781, 9635, 14719, 16155, 16873, 17343, 28905, 44157, 50619, 73595, 84365, 86715, 132471, 151857, 220785, 253095, 662355, 691793, 759285, 2075379, 3458965, 6226137, 10376895, 31130685]

約数ペア:

[(1, 31130685), (3, 10376895), (5, 6226137), (9, 3458965), (15, 2075379), (41, 759285), (45, 691793), (47, 662355), (123, 253095), (141, 220785), (205, 151857), (235, 132471), (359, 86715), (369, 84365), (423, 73595), (615, 50619), (705, 44157), (1077, 28905), (1795, 17343), (1845, 16873), (1927, 16155), (2115, 14719), (3231, 9635), (5385, 5781)]