27987795

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 55572480

約数和(自身を除く): 27584685

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 297, 401, 423, 495, 517, 705, 1203, 1269, 1485, 1551, 2005, 2115, 2585, 3609, 4411, 4653, 6015, 6345, 7755, 10827, 13233, 13959, 18045, 18847, 22055, 23265, 39699, 54135, 56541, 66165, 69795, 94235, 119097, 169623, 198495, 207317, 282705, 508869, 595485, 621951, 848115, 1036585, 1865853, 2544345, 3109755, 5597559, 9329265, 27987795]

約数ペア:

[(1, 27987795), (3, 9329265), (5, 5597559), (9, 3109755), (11, 2544345), (15, 1865853), (27, 1036585), (33, 848115), (45, 621951), (47, 595485), (55, 508869), (99, 282705), (135, 207317), (141, 198495), (165, 169623), (235, 119097), (297, 94235), (401, 69795), (423, 66165), (495, 56541), (517, 54135), (705, 39699), (1203, 23265), (1269, 22055), (1485, 18847), (1551, 18045), (2005, 13959), (2115, 13233), (2585, 10827), (3609, 7755), (4411, 6345), (4653, 6015)]