279969195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 507363840

約数和(自身を除く): 227394645

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 363, 379, 407, 555, 605, 1137, 1221, 1331, 1815, 1895, 2035, 3993, 4169, 4477, 5685, 6105, 6655, 12507, 13431, 14023, 19965, 20845, 22385, 42069, 45859, 49247, 62535, 67155, 70115, 137577, 147741, 154253, 210345, 229295, 246235, 462759, 504449, 687885, 738705, 771265, 1513347, 1696783, 2313795, 2522245, 5090349, 7566735, 8483915, 18664613, 25451745, 55993839, 93323065, 279969195]

約数ペア:

[(1, 279969195), (3, 93323065), (5, 55993839), (11, 25451745), (15, 18664613), (33, 8483915), (37, 7566735), (55, 5090349), (111, 2522245), (121, 2313795), (165, 1696783), (185, 1513347), (363, 771265), (379, 738705), (407, 687885), (555, 504449), (605, 462759), (1137, 246235), (1221, 229295), (1331, 210345), (1815, 154253), (1895, 147741), (2035, 137577), (3993, 70115), (4169, 67155), (4477, 62535), (5685, 49247), (6105, 45859), (6655, 42069), (12507, 22385), (13431, 20845), (14023, 19965)]