6561555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 128

約数和(自身を含む): 15482880

約数和(自身を除く): 8921325

約数列:

[1, 3, 5, 7, 11, 13, 15, 19, 21, 23, 33, 35, 39, 55, 57, 65, 69, 77, 91, 95, 105, 115, 133, 143, 161, 165, 195, 209, 231, 247, 253, 273, 285, 299, 345, 385, 399, 429, 437, 455, 483, 627, 665, 715, 741, 759, 805, 897, 1001, 1045, 1155, 1235, 1265, 1311, 1365, 1463, 1495, 1729, 1771, 1995, 2093, 2145, 2185, 2415, 2717, 3003, 3059, 3135, 3289, 3705, 3795, 4389, 4485, 4807, 5005, 5187, 5313, 5681, 6279, 6555, 7315, 8151, 8645, 8855, 9177, 9867, 10465, 13585, 14421, 15015, 15295, 16445, 17043, 19019, 21945, 23023, 24035, 25935, 26565, 28405, 31395, 33649, 39767, 40755, 45885, 49335, 57057, 62491, 69069, 72105, 85215, 95095, 100947, 115115, 119301, 168245, 187473, 198835, 285285, 312455, 345345, 437437, 504735, 596505, 937365, 1312311, 2187185, 6561555]

約数ペア:

[(1, 6561555), (3, 2187185), (5, 1312311), (7, 937365), (11, 596505), (13, 504735), (15, 437437), (19, 345345), (21, 312455), (23, 285285), (33, 198835), (35, 187473), (39, 168245), (55, 119301), (57, 115115), (65, 100947), (69, 95095), (77, 85215), (91, 72105), (95, 69069), (105, 62491), (115, 57057), (133, 49335), (143, 45885), (161, 40755), (165, 39767), (195, 33649), (209, 31395), (231, 28405), (247, 26565), (253, 25935), (273, 24035), (285, 23023), (299, 21945), (345, 19019), (385, 17043), (399, 16445), (429, 15295), (437, 15015), (455, 14421), (483, 13585), (627, 10465), (665, 9867), (715, 9177), (741, 8855), (759, 8645), (805, 8151), (897, 7315), (1001, 6555), (1045, 6279), (1155, 5681), (1235, 5313), (1265, 5187), (1311, 5005), (1365, 4807), (1463, 4485), (1495, 4389), (1729, 3795), (1771, 3705), (1995, 3289), (2093, 3135), (2145, 3059), (2185, 3003), (2415, 2717)]