71268687

素因数分解:

$3^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 124250880

約数和(自身を除く): 52982193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 103, 147, 189, 309, 441, 523, 721, 927, 1323, 1569, 2163, 2781, 3661, 4707, 5047, 6489, 10983, 14121, 15141, 19467, 25627, 32949, 45423, 53869, 76881, 98847, 136269, 161607, 230643, 377083, 484821, 691929, 1131249, 1454463, 2639581, 3393747, 7918743, 10181241, 23756229, 71268687]

約数ペア:

[(1, 71268687), (3, 23756229), (7, 10181241), (9, 7918743), (21, 3393747), (27, 2639581), (49, 1454463), (63, 1131249), (103, 691929), (147, 484821), (189, 377083), (309, 230643), (441, 161607), (523, 136269), (721, 98847), (927, 76881), (1323, 53869), (1569, 45423), (2163, 32949), (2781, 25627), (3661, 19467), (4707, 15141), (5047, 14121), (6489, 10983)]