247457295

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 457021440

約数和(自身を除く): 209564145

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 107, 111, 135, 185, 321, 333, 463, 535, 555, 963, 999, 1389, 1605, 1665, 2315, 2889, 3959, 4167, 4815, 4995, 6945, 11877, 12501, 14445, 17131, 19795, 20835, 35631, 49541, 51393, 59385, 62505, 85655, 106893, 148623, 154179, 178155, 247705, 256965, 445869, 462537, 534465, 743115, 770895, 1337607, 1833017, 2229345, 2312685, 5499051, 6688035, 9165085, 16497153, 27495255, 49491459, 82485765, 247457295]

約数ペア:

[(1, 247457295), (3, 82485765), (5, 49491459), (9, 27495255), (15, 16497153), (27, 9165085), (37, 6688035), (45, 5499051), (107, 2312685), (111, 2229345), (135, 1833017), (185, 1337607), (321, 770895), (333, 743115), (463, 534465), (535, 462537), (555, 445869), (963, 256965), (999, 247705), (1389, 178155), (1605, 154179), (1665, 148623), (2315, 106893), (2889, 85655), (3959, 62505), (4167, 59385), (4815, 51393), (4995, 49541), (6945, 35631), (11877, 20835), (12501, 19795), (14445, 17131)]