27887937

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 22431423

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 87, 161, 181, 203, 231, 253, 319, 483, 543, 609, 667, 759, 957, 1267, 1771, 1991, 2001, 2233, 3801, 4163, 4669, 5249, 5313, 5973, 6699, 7337, 12489, 13937, 14007, 15747, 22011, 29141, 36743, 41811, 45793, 51359, 57739, 87423, 110229, 120727, 137379, 154077, 173217, 320551, 362181, 404173, 845089, 961653, 1212519, 1327997, 2535267, 3983991, 9295979, 27887937]

約数ペア:

[(1, 27887937), (3, 9295979), (7, 3983991), (11, 2535267), (21, 1327997), (23, 1212519), (29, 961653), (33, 845089), (69, 404173), (77, 362181), (87, 320551), (161, 173217), (181, 154077), (203, 137379), (231, 120727), (253, 110229), (319, 87423), (483, 57739), (543, 51359), (609, 45793), (667, 41811), (759, 36743), (957, 29141), (1267, 22011), (1771, 15747), (1991, 14007), (2001, 13937), (2233, 12489), (3801, 7337), (4163, 6699), (4669, 5973), (5249, 5313)]