28286685

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30810915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 63, 105, 111, 135, 185, 189, 259, 315, 333, 555, 777, 809, 945, 999, 1295, 1665, 2331, 2427, 3885, 4045, 4995, 5663, 6993, 7281, 11655, 12135, 16989, 21843, 28315, 29933, 34965, 36405, 50967, 84945, 89799, 109215, 149665, 152901, 209531, 254835, 269397, 448995, 628593, 764505, 808191, 1047655, 1346985, 1885779, 3142965, 4040955, 5657337, 9428895, 28286685]

約数ペア:

[(1, 28286685), (3, 9428895), (5, 5657337), (7, 4040955), (9, 3142965), (15, 1885779), (21, 1346985), (27, 1047655), (35, 808191), (37, 764505), (45, 628593), (63, 448995), (105, 269397), (111, 254835), (135, 209531), (185, 152901), (189, 149665), (259, 109215), (315, 89799), (333, 84945), (555, 50967), (777, 36405), (809, 34965), (945, 29933), (999, 28315), (1295, 21843), (1665, 16989), (2331, 12135), (2427, 11655), (3885, 7281), (4045, 6993), (4995, 5663)]