27857115

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 120

約数和(自身を含む): 60583248

約数和(自身を除く): 32726133

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 37, 39, 45, 55, 65, 81, 99, 111, 117, 135, 143, 165, 169, 185, 195, 297, 333, 351, 405, 407, 429, 481, 495, 507, 555, 585, 715, 845, 891, 999, 1053, 1221, 1287, 1443, 1485, 1521, 1665, 1755, 1859, 2035, 2145, 2405, 2535, 2997, 3663, 3861, 4329, 4455, 4563, 4995, 5265, 5291, 5577, 6105, 6253, 6435, 7215, 7605, 9295, 10989, 11583, 12987, 13689, 14985, 15873, 16731, 18315, 18759, 19305, 21645, 22815, 26455, 27885, 31265, 32967, 38961, 47619, 50193, 54945, 56277, 57915, 64935, 68445, 68783, 79365, 83655, 93795, 142857, 150579, 164835, 168831, 194805, 206349, 238095, 250965, 281385, 343915, 428571, 506493, 619047, 714285, 752895, 844155, 1031745, 1857141, 2142855, 2532465, 3095235, 5571423, 9285705, 27857115]

約数ペア:

[(1, 27857115), (3, 9285705), (5, 5571423), (9, 3095235), (11, 2532465), (13, 2142855), (15, 1857141), (27, 1031745), (33, 844155), (37, 752895), (39, 714285), (45, 619047), (55, 506493), (65, 428571), (81, 343915), (99, 281385), (111, 250965), (117, 238095), (135, 206349), (143, 194805), (165, 168831), (169, 164835), (185, 150579), (195, 142857), (297, 93795), (333, 83655), (351, 79365), (405, 68783), (407, 68445), (429, 64935), (481, 57915), (495, 56277), (507, 54945), (555, 50193), (585, 47619), (715, 38961), (845, 32967), (891, 31265), (999, 27885), (1053, 26455), (1221, 22815), (1287, 21645), (1443, 19305), (1485, 18759), (1521, 18315), (1665, 16731), (1755, 15873), (1859, 14985), (2035, 13689), (2145, 12987), (2405, 11583), (2535, 10989), (2997, 9295), (3663, 7605), (3861, 7215), (4329, 6435), (4455, 6253), (4563, 6105), (4995, 5577), (5265, 5291)]