8162385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 16809984

約数和(自身を除く): 8647599

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 191, 231, 259, 385, 407, 555, 573, 777, 955, 1155, 1221, 1295, 1337, 2035, 2101, 2849, 2865, 3885, 4011, 6105, 6303, 6685, 7067, 8547, 10505, 14245, 14707, 20055, 21201, 31515, 35335, 42735, 44121, 49469, 73535, 77737, 106005, 148407, 220605, 233211, 247345, 388685, 544159, 742035, 1166055, 1632477, 2720795, 8162385]

約数ペア:

[(1, 8162385), (3, 2720795), (5, 1632477), (7, 1166055), (11, 742035), (15, 544159), (21, 388685), (33, 247345), (35, 233211), (37, 220605), (55, 148407), (77, 106005), (105, 77737), (111, 73535), (165, 49469), (185, 44121), (191, 42735), (231, 35335), (259, 31515), (385, 21201), (407, 20055), (555, 14707), (573, 14245), (777, 10505), (955, 8547), (1155, 7067), (1221, 6685), (1295, 6303), (1337, 6105), (2035, 4011), (2101, 3885), (2849, 2865)]