81552915

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12163}}^1$

素因数の和:12323

約数の個数: 24

約数和(自身を含む): 142318800

約数和(自身を除く): 60765885

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 12163, 36489, 60815, 109467, 182445, 547335, 1812287, 5436861, 9061435, 16310583, 27184305, 81552915]

約数ペア:

[(1, 81552915), (3, 27184305), (5, 16310583), (9, 9061435), (15, 5436861), (45, 1812287), (149, 547335), (447, 182445), (745, 109467), (1341, 60815), (2235, 36489), (6705, 12163)]