78617385

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2556

約数の個数: 80

約数和(自身を含む): 175773312

約数和(自身を除く): 97155927

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 567, 693, 891, 945, 1155, 1485, 2079, 2521, 2835, 3465, 4455, 6237, 7563, 10395, 12605, 17647, 22689, 27731, 31185, 37815, 52941, 68067, 83193, 88235, 113445, 138655, 158823, 194117, 204201, 249579, 264705, 340335, 415965, 476469, 582351, 748737, 794115, 970585, 1021005, 1247895, 1429407, 1747053, 2246211, 2382345, 2911755, 3743685, 5241159, 7147035, 8735265, 11231055, 15723477, 26205795, 78617385]

約数ペア:

[(1, 78617385), (3, 26205795), (5, 15723477), (7, 11231055), (9, 8735265), (11, 7147035), (15, 5241159), (21, 3743685), (27, 2911755), (33, 2382345), (35, 2246211), (45, 1747053), (55, 1429407), (63, 1247895), (77, 1021005), (81, 970585), (99, 794115), (105, 748737), (135, 582351), (165, 476469), (189, 415965), (231, 340335), (297, 264705), (315, 249579), (385, 204201), (405, 194117), (495, 158823), (567, 138655), (693, 113445), (891, 88235), (945, 83193), (1155, 68067), (1485, 52941), (2079, 37815), (2521, 31185), (2835, 27731), (3465, 22689), (4455, 17647), (6237, 12605), (7563, 10395)]